CVE-2025-4082

Description

Modification of specific WebGL shader attributes could trigger an out-of-bounds read, which, when chained with other vulnerabilities, could be used to escalate privileges. *This bug only affects Thunderbird for macOS. Other versions of Thunderbird are unaffected.*. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10.

PUBLISHED Reserved 2025-04-29 | Published 2025-04-29 | Updated 2026-04-13 | Assigner mozilla

Product status

Credits

un3xploitable & GF

References

lists.debian.org/debian-lts-announce/2025/05/msg00022.html

bugzilla.mozilla.org/show_bug.cgi?id=1937097

www.mozilla.org/security/advisories/mfsa2025-28/

www.mozilla.org/security/advisories/mfsa2025-29/

www.mozilla.org/security/advisories/mfsa2025-30/

www.mozilla.org/security/advisories/mfsa2025-31/

www.mozilla.org/security/advisories/mfsa2025-32/

cve.org (CVE-2025-4082)

nvd.nist.gov (CVE-2025-4082)

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