{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"cveId": "CVE-2023-6858", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "state": "PUBLISHED", "assignerShortName": "mozilla", "dateReserved": "2023-12-15T17:42:55.349Z", "datePublished": "2023-12-19T13:38:38.757Z", "dateUpdated": "2023-12-19T16:42:15.154Z"}, "containers": {"cna": {"affected": [{"product": "Firefox ESR", "vendor": "Mozilla", "versions": [{"lessThan": "115.6", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "115.6", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "121", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Firefox was susceptible to a heap buffer overflow in <code>nsTextFragment</code> due to insufficient OOM handling. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121."}]}], "problemTypes": [{"descriptions": [{"description": "Heap buffer overflow in nsTextFragment", "lang": "en", "type": "text"}]}], "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1826791"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2023-54/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2023-55/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2023-56/"}, {"url": "https://www.debian.org/security/2023/dsa-5581"}, {"url": "https://www.debian.org/security/2023/dsa-5582"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html"}, {"url": "https://security.gentoo.org/glsa/202401-10"}], "credits": [{"lang": "en", "value": "Irvan Kurniawan"}], "providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2023-12-19T16:42:15.154Z"}}}}

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