{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-12290", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "state": "PUBLISHED", "assignerShortName": "mozilla", "dateReserved": "2026-06-15T15:08:06.073Z", "datePublished": "2026-06-16T11:52:23.998Z", "dateUpdated": "2026-07-10T12:05:52.432Z" }, "containers": { "cna": { "affected": [ { "product": "Firefox", "vendor": "Mozilla", "versions": [ { "status": "unaffected", "version": "115.37", "lessThanOrEqual": "115.*", "versionType": "rpm" }, { "status": "unaffected", "version": "140.12", "lessThanOrEqual": "140.*", "versionType": "rpm" }, { "status": "unaffected", "version": "152", "lessThanOrEqual": "*", "versionType": "rpm" } ] }, { "product": "Thunderbird", "vendor": "Mozilla", "versions": [ { "status": "unaffected", "version": "140.12", "lessThanOrEqual": "140.*", "versionType": "rpm" }, { "status": "unaffected", "version": "152", "lessThanOrEqual": "*", "versionType": "rpm" } ] } ], "descriptions": [ { "lang": "en", "value": "Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12." } ] } ], "title": "Memory safety bug fixed in Firefox 152", "references": [ { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2024852" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2026-57/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2026-58/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2026-59/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2026-60/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2026-61/" } ], "credits": [ { "lang": "en", "value": "jayjayjazz" } ], "providerMetadata": { "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2026-06-18T18:00:44.212Z" } }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-06-17T13:40:30.960030Z", "id": "CVE-2026-12290", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-17T13:48:25.320Z" } }, { "affected": [ { "cpes": [ "cpe:/o:redhat:enterprise_linux_eus:10.0" ], "defaultStatus": "affected", "product": "Red Hat Enterprise Linux AppStream EUS (v. 10.0)", "vendor": "Red Hat" }, { "cpes": [ "cpe:/o:redhat:enterprise_linux:10.2" ], "defaultStatus": "affected", "product": "Red Hat Enterprise Linux AppStream (v. 10)", "vendor": "Red Hat" }, { "cpes": [ "cpe:/a:redhat:enterprise_linux:8::appstream" ], "defaultStatus": "affected", "product": "Red Hat Enterprise Linux AppStream (v. 8)", "vendor": "Red Hat" }, { "cpes": [ "cpe:/a:redhat:rhel_aus:8.4::appstream" ], "defaultStatus": "affected", "product": "Red Hat Enterprise Linux AppStream AUS (v.8.4)", "vendor": "Red Hat" }, { "cpes": [ "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream" ], "defaultStatus": "affected", "product": "Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)", "vendor": "Red Hat" }, { "cpes": [ "cpe:/a:redhat:rhel_aus:8.6::appstream" ], "defaultStatus": "affected", "product": "Red Hat Enterprise Linux AppStream AUS (v.8.6)", "vendor": "Red Hat" }, { "cpes": [ "cpe:/a:redhat:rhel_eus_long_life:8.6::appstream" ], "defaultStatus": "affected", "product": "Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)", "vendor": "Red Hat" }, { "cpes": [ "cpe:/a:redhat:rhel_e4s:8.8::appstream" ], "defaultStatus": "affected", "product": "Red Hat Enterprise Linux AppStream E4S (v.8.8)", "vendor": "Red Hat" }, { "cpes": [ "cpe:/a:redhat:rhel_tus:8.8::appstream" ], "defaultStatus": "affected", "product": "Red Hat Enterprise Linux AppStream TUS (v.8.8)", "vendor": "Red Hat" }, { "cpes": [ "cpe:/a:redhat:rhel_e4s:9.2::appstream" ], "defaultStatus": "affected", "product": "Red Hat Enterprise Linux AppStream E4S (v.9.2)", "vendor": "Red Hat" }, { "cpes": [ "cpe:/a:redhat:rhel_eus:9.6::appstream" ], "defaultStatus": "affected", "product": "Red Hat Enterprise Linux AppStream EUS (v.9.6)", "vendor": "Red Hat" }, { "cpes": [ "cpe:/a:redhat:enterprise_linux:9::appstream" ], "defaultStatus": "affected", "product": "Red Hat Enterprise Linux AppStream (v. 9)", "vendor": "Red Hat" }, { "cpes": [ "cpe:/o:redhat:enterprise_linux:10" ], "defaultStatus": "affected", "product": "Red Hat Enterprise Linux 10", "vendor": "Red Hat" }, { "cpes": [ "cpe:/o:redhat:enterprise_linux:6" ], "defaultStatus": "affected", "product": "Red Hat Enterprise Linux 6", "vendor": "Red Hat" }, { "cpes": [ "cpe:/o:redhat:enterprise_linux:7" ], "defaultStatus": "affected", "product": "Red Hat Enterprise Linux 7", "vendor": "Red Hat" } ], "datePublic": "2026-06-16T11:52:23.998Z", "descriptions": [ { "lang": "en", "value": "A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue:\nMemory safety bug fixed in Thunderbird ESR 140.12" } ], "metrics": [ { "other": { "content": { "namespace": "https://access.redhat.com/security/updates/classification/", "value": "Important" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" }, "format": "CVSS" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-823", "description": "Use of Out-of-range Pointer Offset", "lang": "en", "type": "CWE" } ] } ], "references": [ { "tags": [ "vdb-entry", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/security/cve/CVE-2026-12290" }, { "name": "RHBZ#2489210", "tags": [ "issue-tracking", "x_refsource_REDHAT" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2489210" }, { "tags": [ "x_sadp-csaf-vex" ], "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12290.json" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:36100" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:27733" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:30846" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:27717" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:33445" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:36102" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:37210" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:36103" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:36101" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:37391" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:27734" }, { "tags": [ "vendor-advisory", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/errata/RHSA-2026:29940" } ], "solutions": [ { "lang": "en", "value": "RHSA-2026:36100: Red Hat Enterprise Linux AppStream EUS (v. 10.0)" }, { "lang": "en", "value": "RHSA-2026:27733: Red Hat Enterprise Linux AppStream (v. 10)" }, { "lang": "en", "value": "RHSA-2026:30846: Red Hat Enterprise Linux AppStream (v. 10)" }, { "lang": "en", "value": "RHSA-2026:27717: Red Hat Enterprise Linux AppStream (v. 8)" }, { "lang": "en", "value": "RHSA-2026:33445: Red Hat Enterprise Linux AppStream (v. 8)" }, { "lang": "en", "value": "RHSA-2026:36102: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)" }, { "lang": "en", "value": "RHSA-2026:37210: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)" }, { "lang": "en", "value": "RHSA-2026:36103: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8)" }, { "lang": "en", "value": "RHSA-2026:36101: Red Hat Enterprise Linux AppStream E4S (v.9.2)" }, { "lang": "en", "value": "RHSA-2026:37391: Red Hat Enterprise Linux AppStream EUS (v.9.6)" }, { "lang": "en", "value": "RHSA-2026:27734: Red Hat Enterprise Linux AppStream (v. 9)" }, { "lang": "en", "value": "RHSA-2026:29940: Red Hat Enterprise Linux AppStream (v. 9)" } ], "timeline": [ { "lang": "en", "time": "2026-06-16T14:01:07.473Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-06-16T11:52:23.998Z", "value": "Made public." } ], "title": "firefox: thunderbird: Memory safety bug fixed in Thunderbird ESR 140.12", "x_adpType": "supplier", "x_generator": { "engine": "sadp-cli 1.0.0" }, "providerMetadata": { "orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "shortName": "redhat-SADP", "dateUpdated": "2026-07-10T12:05:52.432Z" } } ] } }