375 lines
17 KiB
JSON
375 lines
17 KiB
JSON
{
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"containers": {
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"cna": {
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"affected": [
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{
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"product": "Firefox",
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"vendor": "Mozilla",
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"versions": [
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{
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"lessThan": "94",
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"status": "affected",
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"version": "unspecified",
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"versionType": "custom"
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}
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]
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},
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{
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"product": "Thunderbird",
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"vendor": "Mozilla",
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"versions": [
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{
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"lessThan": "91.3",
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"status": "affected",
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"version": "unspecified",
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"versionType": "custom"
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}
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]
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},
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{
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"product": "Firefox ESR",
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"vendor": "Mozilla",
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"versions": [
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{
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"lessThan": "91.3",
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"status": "affected",
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"version": "unspecified",
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"versionType": "custom"
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}
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]
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3."
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"description": "Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports",
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"lang": "en",
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"type": "text"
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}
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]
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}
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],
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"providerMetadata": {
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"dateUpdated": "2022-08-10T05:11:20.000Z",
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"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
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"shortName": "mozilla"
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},
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"references": [
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{
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://www.mozilla.org/security/advisories/mfsa2021-49/"
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},
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{
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://www.mozilla.org/security/advisories/mfsa2021-50/"
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},
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{
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://www.mozilla.org/security/advisories/mfsa2021-48/"
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},
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{
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1730935"
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},
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{
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"name": "DSA-5026",
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"tags": [
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"vendor-advisory",
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"x_refsource_DEBIAN"
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],
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"url": "https://www.debian.org/security/2021/dsa-5026"
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},
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{
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"name": "[debian-lts-announce] 20211229 [SECURITY] [DLA 2863-1] firefox-esr security update",
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"tags": [
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"mailing-list",
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"x_refsource_MLIST"
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],
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"url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html"
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},
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{
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"name": "DSA-5034",
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"tags": [
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"vendor-advisory",
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"x_refsource_DEBIAN"
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],
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"url": "https://www.debian.org/security/2022/dsa-5034"
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},
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{
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"name": "[debian-lts-announce] 20220104 [SECURITY] [DLA 2874-1] thunderbird security update",
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"tags": [
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"mailing-list",
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"x_refsource_MLIST"
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],
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"url": "https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html"
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},
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{
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"name": "GLSA-202202-03",
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"tags": [
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"vendor-advisory",
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"x_refsource_GENTOO"
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],
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"url": "https://security.gentoo.org/glsa/202202-03"
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},
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{
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"name": "GLSA-202208-14",
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"tags": [
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"vendor-advisory",
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"x_refsource_GENTOO"
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],
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"url": "https://security.gentoo.org/glsa/202208-14"
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}
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],
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"x_legacyV4Record": {
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"CVE_data_meta": {
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"ASSIGNER": "security@mozilla.org",
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"ID": "CVE-2021-38507",
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"STATE": "PUBLIC"
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"product": {
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"product_data": [
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{
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"product_name": "Firefox",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_value": "94"
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}
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]
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}
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},
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{
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"product_name": "Thunderbird",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_value": "91.3"
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}
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]
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}
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},
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{
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"product_name": "Firefox ESR",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_value": "91.3"
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}
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]
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}
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}
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]
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},
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"vendor_name": "Mozilla"
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}
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]
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}
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},
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"data_format": "MITRE",
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"data_type": "CVE",
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"data_version": "4.0",
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3."
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}
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]
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports"
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}
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]
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}
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]
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},
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"references": {
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"reference_data": [
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{
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"name": "https://www.mozilla.org/security/advisories/mfsa2021-49/",
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"refsource": "MISC",
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"url": "https://www.mozilla.org/security/advisories/mfsa2021-49/"
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},
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{
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"name": "https://www.mozilla.org/security/advisories/mfsa2021-50/",
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"refsource": "MISC",
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"url": "https://www.mozilla.org/security/advisories/mfsa2021-50/"
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},
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{
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"name": "https://www.mozilla.org/security/advisories/mfsa2021-48/",
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"refsource": "MISC",
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"url": "https://www.mozilla.org/security/advisories/mfsa2021-48/"
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},
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{
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"name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1730935",
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"refsource": "MISC",
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"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1730935"
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},
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{
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"name": "DSA-5026",
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"refsource": "DEBIAN",
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"url": "https://www.debian.org/security/2021/dsa-5026"
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},
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{
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"name": "[debian-lts-announce] 20211229 [SECURITY] [DLA 2863-1] firefox-esr security update",
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"refsource": "MLIST",
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"url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html"
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},
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{
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"name": "DSA-5034",
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"refsource": "DEBIAN",
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"url": "https://www.debian.org/security/2022/dsa-5034"
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},
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{
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"name": "[debian-lts-announce] 20220104 [SECURITY] [DLA 2874-1] thunderbird security update",
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"refsource": "MLIST",
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"url": "https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html"
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},
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{
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"name": "GLSA-202202-03",
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"refsource": "GENTOO",
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"url": "https://security.gentoo.org/glsa/202202-03"
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},
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{
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"name": "GLSA-202208-14",
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"refsource": "GENTOO",
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"url": "https://security.gentoo.org/glsa/202208-14"
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}
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]
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}
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}
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},
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"adp": [
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{
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-04T01:44:23.527Z"
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},
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"title": "CVE Program Container",
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"references": [
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{
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"tags": [
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"x_refsource_MISC",
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"x_transferred"
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],
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"url": "https://www.mozilla.org/security/advisories/mfsa2021-49/"
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},
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{
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{
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],
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"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1730935"
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},
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{
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"name": "DSA-5026",
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"tags": [
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"vendor-advisory",
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"x_refsource_DEBIAN",
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"x_transferred"
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],
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"url": "https://www.debian.org/security/2021/dsa-5026"
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},
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{
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"name": "[debian-lts-announce] 20211229 [SECURITY] [DLA 2863-1] firefox-esr security update",
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"tags": [
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"mailing-list",
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"x_refsource_MLIST",
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"x_transferred"
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],
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"url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html"
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},
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{
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"name": "DSA-5034",
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"tags": [
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],
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"url": "https://www.debian.org/security/2022/dsa-5034"
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},
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{
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"name": "[debian-lts-announce] 20220104 [SECURITY] [DLA 2874-1] thunderbird security update",
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"tags": [
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"mailing-list",
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"x_refsource_MLIST",
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"x_transferred"
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],
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"url": "https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html"
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},
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{
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"name": "GLSA-202202-03",
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"tags": [
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"vendor-advisory",
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"x_refsource_GENTOO",
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"x_transferred"
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],
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"url": "https://security.gentoo.org/glsa/202202-03"
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},
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{
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"name": "GLSA-202208-14",
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"tags": [
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"vendor-advisory",
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"x_refsource_GENTOO",
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],
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}
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]
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}
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]
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},
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"cveMetadata": {
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"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
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"assignerShortName": "mozilla",
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"cveId": "CVE-2021-38507",
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"datePublished": "2021-12-08T21:21:41.000Z",
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"dateReserved": "2021-08-10T00:00:00.000Z",
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"dateUpdated": "2024-08-04T01:44:23.527Z",
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"state": "PUBLISHED"
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},
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"dataType": "CVE_RECORD",
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"dataVersion": "5.1"
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} |