{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"cveId": "CVE-2023-5171", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "state": "PUBLISHED", "assignerShortName": "mozilla", "dateReserved": "2023-09-25T15:03:42.289Z", "datePublished": "2023-09-27T14:13:12.642Z", "dateUpdated": "2023-09-27T14:13:12.642Z"}, "containers": {"cna": {"affected": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "118", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox ESR", "vendor": "Mozilla", "versions": [{"lessThan": "115.3", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "115.3", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker to write two NUL bytes, and cause a potentially exploitable crash. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker to write two NUL bytes, and cause a potentially exploitable crash. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3."}]}], "problemTypes": [{"descriptions": [{"description": "Use-after-free in Ion Compiler", "lang": "en", "type": "text"}]}], "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1851599"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2023-41/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2023-42/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2023-43/"}, {"url": "https://www.debian.org/security/2023/dsa-5506"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00034.html"}, {"url": "https://www.debian.org/security/2023/dsa-5513"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AY642Z6JZODQJE7Z62CFREVUHEGCXGPD/"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00015.html"}], "credits": [{"lang": "en", "value": "Lukas Bernhard"}], "providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2023-09-27T14:13:12.642Z"}}}}

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