CVE-2026-7324

Memory safety bugs present in 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 and Thunderbird 150.0.1.

CVSS 3.1

7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS

0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-26)

CWE

CWE-119

Published

2026-04-28

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• mozilla:firefox
• mozilla:thunderbird

References

• https://bugzilla.mozilla.org/buglist.cgi?bug_id=2029419%2C2029717%2C2029769%2C2029886
• https://www.mozilla.org/security/advisories/mfsa2026-35/
• https://www.mozilla.org/security/advisories/mfsa2026-38/
• https://access.redhat.com/security/cve/CVE-2026-7324
• https://bugzilla.redhat.com/show_bug.cgi?id=2463482

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