Skip to content
CodeAuditAgent

CVE-2026-84639

Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.

Weakness

Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.

Affected products

  • mozilla thunderbird

References

Find the bug before an attacker does.

Sign in with GitHub and run your first audit in under a minute. The free plan needs no credit card.