172 lines
7.2 KiB
JSON
172 lines
7.2 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-3547",
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"assignerOrgId": "50d2cd11-d01a-48ed-9441-5bfce9d63b27",
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"state": "PUBLISHED",
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"assignerShortName": "wolfSSL",
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"dateReserved": "2026-03-04T18:38:04.989Z",
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"datePublished": "2026-03-19T20:20:42.608Z",
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"dateUpdated": "2026-03-21T03:33:23.444Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "50d2cd11-d01a-48ed-9441-5bfce9d63b27",
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"shortName": "wolfSSL",
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"dateUpdated": "2026-03-19T20:20:42.608Z"
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},
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"title": "wolfSSL: out-of-bounds read (DoS) in ALPN parsing due to incomplete validation",
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-125",
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"description": "CWE-125: out-of-bounds read",
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"type": "CWE"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "wolfSSL",
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"product": "wolfSSL",
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"platforms": [
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"ALPN-enabled builds (HAVE_ALPN / --enable-alpn)"
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],
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"versions": [
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{
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"status": "affected",
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"version": "0",
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"lessThan": "5.9.0",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unaffected"
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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": "Out-of-bounds read in ALPN parsing due to incomplete validation. wolfSSL 5.8.4 and earlier contained an out-of-bounds read in ALPN handling when built with ALPN enabled (HAVE_ALPN / --enable-alpn). A crafted ALPN protocol list could trigger an out-of-bounds read, leading to a potential process crash (denial of service). Note that ALPN is disabled by default, but is enabled for these 3rd party compatibility features: enable-apachehttpd, enable-bind, enable-curl, enable-haproxy, enable-hitch, enable-lighty, enable-jni, enable-nginx, enable-quic.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<p>Out-of-bounds read in ALPN parsing due to incomplete validation. wolfSSL 5.8.4 and earlier contained an out-of-bounds read in ALPN handling when built with ALPN enabled (HAVE_ALPN / --enable-alpn). A crafted ALPN protocol list could trigger an out-of-bounds read, leading to a potential process crash (denial of service). Note that ALPN is disabled by default, but is enabled for these 3rd party compatibility features: enable-apachehttpd, enable-bind, enable-curl, enable-haproxy, enable-hitch, enable-lighty, enable-jni, enable-nginx, enable-quic.</p>"
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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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{
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"url": "https://github.com/wolfSSL/wolfssl/pull/9859",
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"tags": [
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"patch"
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]
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV3_1": {
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"version": "3.1",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH",
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"baseSeverity": "HIGH",
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"baseScore": 7.5,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
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}
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}
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],
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"workarounds": [
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{
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"lang": "en",
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"value": "build without ALPN support if ALPN is not required.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<p>build without ALPN support if ALPN is not required.</p>"
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}
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]
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}
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],
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"solutions": [
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{
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"lang": "en",
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"value": "apply the fix in wolfssl/wolfssl#9859 (or upgrade to a release that includes it).",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<p>apply the fix in wolfssl/wolfssl#9859 (or upgrade to a release that includes it).</p>"
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}
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]
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Oleh Konko",
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"type": "finder"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.1"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-03-21T03:33:12.087254Z",
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"id": "CVE-2026-3547",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-03-21T03:33:23.444Z"
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}
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}
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]
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}
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} |