CVE-2021-29948

Description

Signatures are written to disk before and read during verification, which might be subject to a race condition when a malicious local process or user is replacing the file. This vulnerability affects Thunderbird < 78.10.

Weakness classification

• nvd@nist.gov: CWE-362

Primary references

• security@mozilla.org — Exploit, Patch, Vendor Advisory
• security@mozilla.org — Release Notes, Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Patch, Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory