# ELSA-2025-4049: Security update for 3 packages

ELSA-2025-4049, released April 21, 2025, fixes 1 CVE across 3 products. None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/elsa-2025-4049
- Platform: Linux
- Released: Apr 21, 2025
- Priority: Routine (Closes CVE-2024-12133)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2025-4049.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libtasn1](https://patchblox.com/security/data/product/linux/libtasn1.md) | ol 8 | 0:4.13-5.el8_10 |
| [libtasn1-devel](https://patchblox.com/security/data/product/linux/libtasn1-devel.md) | ol 8 | 0:4.13-5.el8_10 |
| [libtasn1-tools](https://patchblox.com/security/data/product/linux/libtasn1-tools.md) | ol 8 | 0:4.13-5.el8_10 |

## 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 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo