High severity8.1NVD Advisory· Published Apr 1, 2025· Updated Apr 13, 2026

CVE-2025-3034

Description

Memory safety bugs present in Firefox 136 and Thunderbird 136. 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 137 and Thunderbird 137.

Affected products

Mozilla Corporation/Firefox
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Range: <137.0
Mozilla Corporation/Thunderbird
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Range: <137.0

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.mozilla.org/security/advisories/mfsa2025-20/nvdVendor Advisory
www.mozilla.org/security/advisories/mfsa2025-23/nvdVendor Advisory
bugzilla.mozilla.org/buglist.cginvdBroken LinkIssue Tracking

News mentions

No linked articles in our index yet.

cvss	0.526
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000