CVE-2026-7323

HIGH7.3

Memory safety bugs fixed in Thunderbird ESR 140.10.1 and Thunderbird 150.0.1

Published Apr 28, 2026

Modified 1 weeks ago

Details

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, Thunderbird 150.0.1, and Thunderbird 140.10.1.

References

WEB

https://bugzilla.mozilla.org/buglist.cgi?bug_id=2028537%2C2029911%2C2031121%2C2033602

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-7323

WEB

https://www.mozilla.org/security/advisories/mfsa2026-35/

WEB

https://www.mozilla.org/security/advisories/mfsa2026-36/

WEB

https://www.mozilla.org/security/advisories/mfsa2026-38/

WEB