184 lines
7.5 KiB
JSON
184 lines
7.5 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-2026-91767",
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"assignerOrgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b",
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"state": "PUBLISHED",
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"assignerShortName": "php",
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"dateReserved": "2026-09-15T00:41:16.041Z",
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"datePublished": "2026-09-25T20:53:42.587Z",
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"dateUpdated": "2026-09-28T13:31:31.640Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b",
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"shortName": "php",
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"dateUpdated": "2026-09-25T20:53:42.587Z"
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},
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"title": "Heap-buffer-overflow in php_openssl_matches_wildcard_name on crafted server cert wildcard CN",
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"datePublic": "2026-09-25T20:49:00.000Z",
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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-122",
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"description": "CWE-122 Heap-based buffer overflow",
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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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"impacts": [
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{
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"capecId": "CAPEC-100",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-100 Overflow Buffers"
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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": "PHP Group",
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"product": "PHP",
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"packageName": "ext-openssl",
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"versions": [
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{
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"status": "affected",
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"version": "8.2.*",
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"lessThan": "8.2.34",
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"versionType": "semver"
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},
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{
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"status": "affected",
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"version": "8.3.*",
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"lessThan": "8.3.35",
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"versionType": "semver"
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},
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{
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"status": "affected",
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"version": "8.4.*",
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"lessThan": "8.4.26",
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"versionType": "semver"
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},
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{
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"status": "affected",
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"version": "8.5.*",
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"lessThan": "8.5.11",
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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": "php_openssl_matches_wildcard_name() in ext/openssl/xp_ssl.c underflows the length argument passed to memchr() when a TLS server certificate presents a wildcard name whose literal characters are together longer than the hostname being verified. A malicious server presenting such a certificate makes the PHP client read up to SIZE_MAX bytes past the end of a heap allocation. The path is reachable from any default client stream, because verify_peer_name is enabled by default.",
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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><code>php_openssl_matches_wildcard_name()</code> in <code>ext/openssl/xp_ssl.c</code> underflows the length argument passed to <code>memchr()</code> when a TLS server certificate presents a wildcard name whose literal characters are together longer than the hostname being verified. A malicious server presenting such a certificate makes the PHP client read up to <code>SIZE_MAX</code> bytes past the end of a heap allocation. The path is reachable from any default client stream, because <code>verify_peer_name</code> is enabled by default.</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/php/php-src/security/advisories/GHSA-xr7j-rvgx-xq5p",
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"tags": [
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"vendor-advisory"
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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": "ADJACENT_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": "HIGH",
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"integrityImpact": "NONE",
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"availabilityImpact": "NONE",
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"baseSeverity": "MEDIUM",
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"baseScore": 6.5,
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"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
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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": "Mohamed Sayed (flex0geek)",
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"type": "reporter"
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},
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{
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"lang": "en",
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"value": "Jakub Zelenka",
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"type": "remediation developer"
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},
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{
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"lang": "en",
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"value": "Arnaud Le Blanc",
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"type": "remediation developer"
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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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"x_generator": {
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"engine": "Vulnogram 1.0.5"
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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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"id": "CVE-2026-91767",
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"role": "CISA Coordinator",
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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": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-09-28T12:56:38.307648Z"
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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": "2026-09-28T13:31:31.640Z"
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}
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}
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]
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}
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} |