CVE-2022-3515
libksba - security update
9.8
CRITICAL
CVSS 3.1
EPSS 0.16%
Description
A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment.
How to fix CVE-2022-3515
To remediate CVE-2022-3515, upgrade the affected package to a fixed version below.
- —upgrade to 1.5.1-r1 or later
- —upgrade to 1.5.0-3+deb11u1 or later
- —upgrade to 1.3.5-2+deb10u1 or later
- —upgrade to 1.5.0-3+deb11u1 or later
Is CVE-2022-3515 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 1.5.1-r1
- from 0, < 1.5.0-3+deb11u1
- from 0, < 1.3.5-2+deb10u1
- from 0, < 1.5.0-3+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |