CVE-2025-4091

Name
CVE-2025-4091
Description
Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 138, Firefox ESR < 128.10, Thunderbird < 138, and Thunderbird < 128.10.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
security@mozilla.org https://bugzilla.mozilla.org/buglist.cgi?bug_id=1951161%2C1952105
security@mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-28/
security@mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-29/
security@mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-31/
security@mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-32/
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2025/05/msg00024.html

Match rules

CPE URI Source package Min version Max version
firefox >= unspecified < 138
firefox-esr >= unspecified < 128.10
thunderbird >= unspecified < 138
thunderbird >= unspecified < 128.10

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
thunderbird edge-community 137.0.1-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
firefox edge-community 137.0.1-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
thunderbird edge-community 137.0-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
firefox edge-community 136.0.4-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
firefox edge-community 136.0.3-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
firefox edge-community 136.0.2-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
firefox edge-community 136.0-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
firefox edge-community 135.0.1-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
firefox edge-community 135.0-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
firefox edge-community 134.0.1-r1 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
firefox edge-community 134.0.1-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
firefox edge-community 134.0-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
firefox edge-community 133.0-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
firefox-esr edge-community 128.9.0-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
firefox-esr edge-community 128.8.1-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
firefox-esr edge-community 128.8.0-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
thunderbird edge-community 128.8.0-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
thunderbird edge-community 128.7.1-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
firefox-esr edge-community 128.7.0-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
thunderbird edge-community 128.7.0-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
firefox-esr edge-community 128.6.0-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
thunderbird edge-community 128.6.0-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
thunderbird edge-community 128.5.2-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
firefox-esr edge-community 128.5.1-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
thunderbird edge-community 128.5.1-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
firefox 3.22-community 136.0.4-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable
thunderbird 3.22-community 128.11.0-r0 Patrycja Rosa <alpine@ptrcnull.me> possibly vulnerable