High severity7.3NVD Advisory· Published Apr 28, 2026· Updated May 1, 2026
CVE-2026-7322
CVE-2026-7322
Description
Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. 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 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.
Affected products
4cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*+ 1 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*range: <150.0.1
- cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*range: <115.35.1
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*+ 1 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*range: <150.0.1
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*range: <140.10.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- www.mozilla.org/security/advisories/mfsa2026-35/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-36/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-37/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-38/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2026-39/nvdVendor Advisory
- bugzilla.mozilla.org/buglist.cginvdBroken Link
News mentions
1- ⚡ Weekly Recap: AI-Powered Phishing, Android Spying Tool, Linux Exploit, GitHub RCE & MoreThe Hacker News · May 4, 2026