Vulnerability Description
If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an additional unprotected part, Thunderbird did not indicate that only parts of the message are protected. This vulnerability affects Thunderbird < 78.10.2.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Thunderbird | < 78.10.2 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1673241ExploitPatchVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-22/Release NotesVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1673241ExploitPatchVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-22/Release NotesVendor Advisory
FAQ
What is CVE-2021-29957?
CVE-2021-29957 is a vulnerability with a CVSS score of 4.3 (MEDIUM). If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an additional unprotected part, Thunderbird did not indicate that only parts of the message are p...
How severe is CVE-2021-29957?
CVE-2021-29957 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-29957?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Thunderbird.