CVE-2024-12133
libtasn1-6 - security update
5.3
MEDIUM
CVSS 3.1
EPSS 0.34%
Description
A flaw in libtasn1 causes inefficient handling of specific certificate data. When processing a large number of elements in a certificate, libtasn1 takes much longer than expected, which can slow down or even crash the system. This flaw allows an attacker to send a specially crafted certificate, causing a denial of service attack.
How to fix CVE-2024-12133
To remediate CVE-2024-12133, upgrade the affected package to a fixed version below.
- —upgrade to 4.20.0-r0 or later
- —upgrade to 4.16.0-2+deb11u2 or later
- —upgrade to 4.16.0-2+deb11u2 or later
- —upgrade to 4.19.0-2+deb12u1 or later
Is CVE-2024-12133 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 4.20.0-r0
- from 0, < 4.16.0-2+deb11u2
- from 0, < 4.16.0-2+deb11u2
- from 0, < 4.19.0-2+deb12u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |