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.
https://www.mozilla.org/security/advisories/mfsa2021-14/
https://bugzilla.mozilla.org/show_bug.cgi?id=1692899
Source: Mitre, NVD
Published: 2021-06-24
Updated: 2021-06-30
Base Score: 1.9
Vector: CVSS2#AV:L/AC:M/Au:N/C:N/I:P/A:N
Severity: Low
Base Score: 2.5
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N