High severity7.0NVD Advisory· Published Mar 10, 2025· Updated Apr 13, 2026

CVE-2025-26696

Description

Certain crafted MIME email messages that claimed to contain an encrypted OpenPGP message, which instead contained an OpenPGP signed message, were wrongly shown as being encrypted. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8.

Affected products

Mozilla Corporation/Thunderbird
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Range: <128.8.0

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.mozilla.org/security/advisories/mfsa2025-17/nvdVendor Advisory
www.mozilla.org/security/advisories/mfsa2025-18/nvdVendor Advisory
bugzilla.mozilla.org/show_bug.cginvdIssue Tracking

News mentions

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