VulnerabilityModified
CVE-2021-29948
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.
LOW 2.5EPSS 0.29%
Does this matter?
Lower severity and a low EPSS score (0.29%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 2.5 LOWCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
- EPSS
- 0.29% probability · 21th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- mozilla/thunderbird
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1692899Exploit, Patch, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-14/Release Notes, Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1692899Exploit, Patch, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-14/Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.