182 lines
8.5 KiB
JSON
182 lines
8.5 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-2026-35188",
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"assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
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"state": "PUBLISHED",
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"assignerShortName": "openssl",
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"dateReserved": "2026-04-01T17:36:26.323Z",
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"datePublished": "2026-06-09T16:03:24.395Z",
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"dateUpdated": "2026-06-10T20:02:41.587Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"defaultStatus": "unaffected",
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"product": "OpenSSL",
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"vendor": "OpenSSL",
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"versions": [
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{
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"lessThan": "4.0.1",
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"status": "affected",
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"version": "4.0.0",
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"versionType": "semver"
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},
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{
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"lessThan": "3.6.3",
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"status": "affected",
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"version": "3.6.0",
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"versionType": "semver"
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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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"type": "reporter",
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"value": "Wang Kenaz (University of Illinois)"
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},
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{
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"lang": "en",
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"type": "reporter",
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"value": "Guido Vranken (Aisle Research)"
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},
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{
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"lang": "en",
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"type": "reporter",
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"value": "Aaron Grattafiori (Nvidia)"
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},
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{
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"lang": "en",
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"type": "remediation developer",
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"value": "Daniel Kubec"
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}
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],
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"datePublic": "2026-06-09T14:00:00.000Z",
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "Issue summary: A malicious server can exploit TLS OCSP stapling by delivering<br>a crafted response through the status_request extension, triggering a<br>double-free in the client's certificate verification path.<br><br>Impact summary: Successful exploitation allows an attacker to corrupt heap<br>memory via a double-free, potentially leading to a Denial of Service or<br>possibly an attacker controlled code execution or other undefined behavior.<br><br>If OCSP stapling is enabled and the TLS client connects to a malicious server,<br>a crafted OCSP stapled response can trigger a double free in the TLS client<br>when the stapled response is checked.<br><br>The OCSP stapling is not enabled by default. Reliable code execution<br>through a double-free is technically complex and highly environment-dependent<br>but the Denial of Service impact is straightforward to achieve, warranting<br>Moderate severity.<br><br>No FIPS modules are affected by this issue as the affected code is outside<br>the OpenSSL FIPS module boundary."
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}
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],
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"value": "Issue summary: A malicious server can exploit TLS OCSP stapling by delivering\na crafted response through the status_request extension, triggering a\ndouble-free in the client's certificate verification path.\n\nImpact summary: Successful exploitation allows an attacker to corrupt heap\nmemory via a double-free, potentially leading to a Denial of Service or\npossibly an attacker controlled code execution or other undefined behavior.\n\nIf OCSP stapling is enabled and the TLS client connects to a malicious server,\na crafted OCSP stapled response can trigger a double free in the TLS client\nwhen the stapled response is checked.\n\nThe OCSP stapling is not enabled by default. Reliable code execution\nthrough a double-free is technically complex and highly environment-dependent\nbut the Denial of Service impact is straightforward to achieve, warranting\nModerate severity.\n\nNo FIPS modules are affected by this issue as the affected code is outside\nthe OpenSSL FIPS module boundary."
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}
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],
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"metrics": [
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{
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"format": "other",
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"other": {
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"content": {
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"text": "Moderate"
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},
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"type": "https://openssl-library.org/policies/general/security-policy/"
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}
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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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"cweId": "CWE-415",
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"description": "CWE-415 Double Free",
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"lang": "en",
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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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"providerMetadata": {
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"orgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
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"shortName": "openssl",
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"dateUpdated": "2026-06-10T07:47:57.674Z"
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},
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"references": [
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{
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"name": "OpenSSL Advisory",
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"tags": [
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"vendor-advisory"
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],
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"url": "https://openssl-library.org/news/secadv/20260609.txt"
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},
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{
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"name": "4.0.1 git commit",
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"tags": [
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"patch"
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],
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"url": "https://github.com/openssl/openssl/commit/78d0154cffda03aaaac63a087cc523a6b35fa8fd"
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},
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{
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"name": "3.6.3 git commit",
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"tags": [
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"patch"
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],
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"url": "https://github.com/openssl/openssl/commit/131145d25659e8749a9ed1afb383484854cffb78"
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"title": "Double-free When Checking OCSP Stapled Response",
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"x_generator": {
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"engine": "Vulnogram 0.2.0"
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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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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 5,
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"attackVector": "NETWORK",
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L",
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"integrityImpact": "LOW",
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"userInteraction": "NONE",
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"attackComplexity": "HIGH",
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"availabilityImpact": "LOW",
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"privilegesRequired": "LOW",
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"confidentialityImpact": "LOW"
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}
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},
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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": "2026-06-10T03:59:37.106557Z",
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"id": "CVE-2026-35188",
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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": "no"
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},
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{
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"Technical Impact": "total"
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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": "2026-06-10T20:02:41.587Z"
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}
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}
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]
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}
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} |