CVE-2023-0547
thunderbird - security update
6.5
MEDIUM
CVSS 3.1
EPSS 0.16%
Description
OCSP revocation status of recipient certificates was not checked when sending S/Mime encrypted email, and revoked certificates would be accepted. Thunderbird versions from 68 to 102.9.1 were affected by this bug. This vulnerability affects Thunderbird < 102.10.
How to fix CVE-2023-0547
To remediate CVE-2023-0547, upgrade the affected package to a fixed version below.
- —upgrade to 1:102.10.0-1~deb11u1 or later
- —upgrade to 1:102.10.0-1~deb10u1 or later
- —upgrade to 1:102.10.0-1~deb11u1 or later
Is CVE-2023-0547 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1:102.10.0-1~deb11u1
- from 0, < 1:102.10.0-1~deb10u1
- from 0, < 1:102.10.0-1~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 |