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Description

Incorrect boundary conditions in the JavaScript: GC component. This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.

PUBLISHED Reserved 2025-09-16 | Published 2025-09-16 | Updated 2025-10-30 | Assigner mozilla

Product status

Any version before 143
affected

Any version before 140.3
affected

Any version before 143
affected

Any version before 140.3
affected

Credits

Gary Kwong

References

bugzilla.mozilla.org/show_bug.cgi?id=1979502

www.mozilla.org/security/advisories/mfsa2025-73/

www.mozilla.org/security/advisories/mfsa2025-75/

www.mozilla.org/security/advisories/mfsa2025-77/

www.mozilla.org/security/advisories/mfsa2025-78/

cve.org (CVE-2025-10532)

nvd.nist.gov (CVE-2025-10532)

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