Home

Description

Memory safety bugs present in Firefox 140 and Thunderbird 140. 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 was fixed in Firefox 141 and Thunderbird 141.

PUBLISHED Reserved 2025-07-22 | Published 2025-07-22 | Updated 2026-04-13 | Assigner mozilla

Product status

141 (rpm)
unaffected

141 (rpm)
unaffected

Credits

Akmat Suleimanov, Andrew McCreight

References

bugzilla.mozilla.org/buglist.cgi?bug_id=1933572%2C1971116 (Memory safety bugs fixed in Firefox 141 and Thunderbird 141)

www.mozilla.org/security/advisories/mfsa2025-56/

www.mozilla.org/security/advisories/mfsa2025-61/

cve.org (CVE-2025-8044)

nvd.nist.gov (CVE-2025-8044)

Download JSON