CVE-2024-12133
MEDIUM5.3EPSS 0.34%libtasn1-6 - security update
Published: 2/10/2025Modified: 4/28/2026
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.
Affected packages (4)
- Alpine/libtasn1from 0, < 4.20.0-r0
- Debian/libtasn1-6from 0, < 4.16.0-2+deb11u2
- Debian/libtasn1-6from 0, < 4.16.0-2+deb11u2
- Debian/libtasn1-6from 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 |