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{"bugzilla": {"description": "thunderbird: firefox: Use-after-free in MediaTrackGraphImpl::GetInstance()", "id": "2403769", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2403769"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["No description is available for this CVE."], "name": "CVE-2025-11708", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "rhel10/firefox-flatpak", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "rhel10/thunderbird-flatpak", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-10-14T12:27:35Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-11708\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-11708\nhttps://www.mozilla.org/security/advisories/mfsa2025-83/#CVE-2025-11708\nhttps://www.mozilla.org/security/advisories/mfsa2025-85/#CVE-2025-11708"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "threat_severity": "Important"}

{"analysis": {"en": {"generated_at": "2026-04-20T19:12:49.109538+00:00", "value": {"mitigation_remediation": ["Upgrade Mozilla Firefox to version 144 or newer, or Firefox ESR 140.4 or newer.", "Upgrade Mozilla Thunderbird to version 144 or newer, or Thunderbird ESR 140.4 or newer.", "If an immediate update is unavailable, restrict or disable playback of external media content from untrusted origins and apply application policy settings that limit the execution of the media processing components until the patch is installed."], "summary": {"action": "Apply Patch", "impact": "Use\u2011after\u2011free leading to memory corruption"}, "threat_synthesis": {"affected_systems": "All releases of Mozilla Firefox and Firefox ESR before version 144 and 140.4 respectively, and all releases of Mozilla Thunderbird and Thunderbird ESR before version 144 and 140.4 respectively, are affected. The fix is incorporated in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird ESR 140.4.", "description_and_impact": "The vulnerability is a use\u2011after\u2011free occurring in the MediaTrackGraphImpl::GetInstance() actor of Mozilla\u2019s media handling stack. Premature deallocation followed by subsequent access can corrupt memory, which for a process with sufficient privileges could permit an attacker to execute arbitrary code or crash the application. The CVSS score of 9.8 reflects the severe potential impact, although the advisory itself does not detail a confirmed execution path.", "risk_and_exploitability": "The high CVSS score indicates a serious outcome if the flaw is exploited, while the EPSS score of < 1% suggests that exploit attempts are currently rare. The vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog, but the combination of severity and low exploitation probability still warrants focused remediation to prevent future attacks that could leverage similar exploitation techniques."}}}}, "created": "2025-10-20T15:49:36.129336+00:00", "updated": "2026-04-20T19:15:15.051636+00:00", "vendors": ["mozilla", "mozilla$PRODUCT$firefox", "mozilla$PRODUCT$firefox_esr", "mozilla$PRODUCT$thunderbird"]}