CVE-2025-13027

Description

Memory safety bugs present in Firefox 144 and Thunderbird 144. 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 < 145.

PUBLISHED Reserved 2025-11-11 | Published 2025-11-11 | Updated 2025-11-13 | Assigner mozilla

Product status

Credits

The Mozilla Fuzzing Team

References

bugzilla.mozilla.org/...987237%2C1990079%2C1991715%2C1994994 (Memory safety bugs fixed in Firefox 145 and Thunderbird 145)

www.mozilla.org/security/advisories/mfsa2025-87/

cve.org (CVE-2025-13027)

nvd.nist.gov (CVE-2025-13027)

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