# DSA-5863-1: libtasn1-6 security update

DSA-5863-1, released February 10, 2025, fixes 1 CVE in libtasn1-6 (version 4.19.0-2+deb12u1). None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/dsa-5863-1
- Platform: Linux
- Released: Feb 10, 2025
- Priority: Routine (Closes CVE-2024-12133)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2024-12133

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libtasn1-6](https://patchblox.com/security/data/product/linux/libtasn1-6.md) | Debian 12.15 (bookworm) | 4.19.0-2+deb12u1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2024-12133](https://patchblox.com/security/data/cve/CVE-2024-12133.md) | Routine | libtasn1: This update for libtasn1 fixes the following issues:  - CVE-2024-12133: the processing of input DER data containing a... | 5.3 | 0.0111 |  |

---

Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo