# CVE-2024-26256: Libarchive Remote Code Execution Vulnerability

CVE-2024-26256 is fixed in 9 products on 2 platforms, first by KB5036893, released April 9, 2024. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2024-26256
- Priority: Urgent
- CVSS: 7.8 (Important)
- EPSS: 0.8790
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation More Likely
- Published: Apr 9, 2024
- Weakness: Heap-based Buffer Overflow
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26256

## Description

libarchive - security update

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 11 Version 22H2 for ARM64-based Systems |  | [KB5036893](https://patchblox.com/security/data/fix/microsoft/kb5036893.md) | Apr 9, 2024 |
| Microsoft | Windows 11 Version 22H2 for x64-based Systems |  | [KB5036893](https://patchblox.com/security/data/fix/microsoft/kb5036893.md) | Apr 9, 2024 |
| Microsoft | Windows 11 Version 23H2 for ARM64-based Systems |  | [KB5036893](https://patchblox.com/security/data/fix/microsoft/kb5036893.md) | Apr 9, 2024 |
| Microsoft | Windows 11 Version 23H2 for x64-based Systems |  | [KB5036893](https://patchblox.com/security/data/fix/microsoft/kb5036893.md) | Apr 9, 2024 |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 25398.830 | [KB5036910](https://patchblox.com/security/data/fix/microsoft/kb5036910.md) | Apr 9, 2024 |
| Linux | libarchive Debian 12.15 (bookworm) | 3.6.2-1+deb12u1 | [DSA-5706-1](https://patchblox.com/security/data/fix/linux/dsa-5706-1.md) | Jun 5, 2024 |
| Linux | libarchive Debian 13.5 (trixie) | 3.7.2-2.1 | [DEBIAN-CVE-2024-26256](https://patchblox.com/security/data/fix/linux/debian-cve-2024-26256.md) | Apr 9, 2024 |
| Linux | libarchive Debian 14 | 3.7.2-2.1 | [DEBIAN-CVE-2024-26256](https://patchblox.com/security/data/fix/linux/debian-cve-2024-26256.md) | Apr 9, 2024 |
| Linux | libarchive-tools Ubuntu 22.04.1 LTS (jammy) | 3.6.0-1ubuntu1.1 | [libarchive-tools 3.6.0-1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libarchive-tools-3.6.0-1ubuntu1.1.md) | Apr 9, 2024 |
| Linux | libarchive-tools Ubuntu 24.04.5 LTS (noble) | 3.7.2-2ubuntu0.1 | [libarchive-tools 3.7.2-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libarchive-tools-3.7.2-2ubuntu0.1.md) | Apr 9, 2024 |
| Linux | libarchive13 Ubuntu 22.04.1 LTS (jammy) | 3.6.0-1ubuntu1.1 | [libarchive13 3.6.0-1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libarchive13-3.6.0-1ubuntu1.1.md) | Apr 9, 2024 |
| Linux | libarchive13t64 Ubuntu 24.04.5 LTS (noble) | 3.7.2-2ubuntu0.1 | [libarchive13t64 3.7.2-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libarchive13t64-3.7.2-2ubuntu0.1.md) | Apr 9, 2024 |

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Data as of 2026-11-08T19:12:23Z 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

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