CVE-2023-0430
6.5
MEDIUM
CVSS 3.1
EPSS 0.09%
Description
Certificate OCSP revocation status was not checked when verifying S/Mime signatures. Mail signed with a revoked certificate would be displayed as having a valid signature. Thunderbird versions from 68 to 102.7.0 were affected by this bug. This vulnerability affects Thunderbird < 102.7.1.
How to fix CVE-2023-0430
To remediate CVE-2023-0430, upgrade the affected package to a fixed version below.
- Debian/thunderbird—upgrade to 1:102.8.0-1~deb11u1 or later
Is CVE-2023-0430 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:102.8.0-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |