# CVE-2025-60753: An issue was discovered in libarchive bsdtar before version 3.8.1 in function apply_substitution in file tar/subst.c when processing crafted -s substitution rules. This can cause unbounded memory allocation and lead to denial of service (Out-of-Memory crash).

CVE-2025-60753 is fixed in 6 products on 1 platform, first by DEBIAN-CVE-2025-60753, released November 5, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-60753
- Priority: Routine
- CVSS: 5.5 (Moderate)
- EPSS: 0.0021
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 5, 2025
- Weakness: Uncontrolled Resource Consumption
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-60753

## Description

An issue was discovered in libarchive bsdtar before version 3.8.1 in function apply_substitution in file tar/subst.c when processing crafted -s substitution rules. This can cause unbounded memory allocation and lead to denial of service (Out-of-Memory crash).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bsdcpio Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.7+esm2 | [bsdcpio 3.2.2-3.1ubuntu0.7+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-bsdcpio-3.2.2-3.1ubuntu0.7-esm2.md) | Mar 13, 2026 |
| Linux | bsdtar Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.7+esm2 | [bsdtar 3.2.2-3.1ubuntu0.7+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-bsdtar-3.2.2-3.1ubuntu0.7-esm2.md) | Mar 13, 2026 |
| Linux | libarchive Debian 14 | 3.8.4-1 | [DEBIAN-CVE-2025-60753](https://patchblox.com/security/data/fix/linux/debian-cve-2025-60753.md) | Nov 5, 2025 |
| Linux | libarchive sles 15.6 | 3.7.2-150600.3.20.1 | [SUSE-SU-2026:2490-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2490-1.md) | Jun 22, 2026 |
| Linux | libarchive sles 15.7 | 3.7.2-150600.3.20.1 | [SUSE-SU-2026:2490-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2490-1.md) | Jun 22, 2026 |
| Linux | libarchive-tools Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.7+esm2 | [libarchive-tools 3.2.2-3.1ubuntu0.7+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libarchive-tools-3.2.2-3.1ubuntu0.7-esm2.md) | Mar 13, 2026 |
| Linux | libarchive-tools Ubuntu 20.04 LTS (focal) | 3.4.0-2ubuntu1.5+esm1 | [libarchive-tools 3.4.0-2ubuntu1.5+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libarchive-tools-3.4.0-2ubuntu1.5-esm1.md) | Mar 13, 2026 |
| Linux | libarchive-tools Ubuntu 22.04.1 LTS (jammy) | 3.6.0-1ubuntu1.6 | [libarchive-tools 3.6.0-1ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libarchive-tools-3.6.0-1ubuntu1.6.md) | Mar 13, 2026 |
| Linux | libarchive-tools Ubuntu 24.04.5 LTS (noble) | 3.7.2-2ubuntu0.6 | [libarchive-tools 3.7.2-2ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libarchive-tools-3.7.2-2ubuntu0.6.md) | Mar 13, 2026 |
| Linux | libarchive-tools Ubuntu 25.10 (questing) | 3.7.7-0ubuntu3.1 | [libarchive-tools 3.7.7-0ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libarchive-tools-3.7.7-0ubuntu3.1.md) | Mar 13, 2026 |
| Linux | libarchive13 Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.7+esm2 | [libarchive13 3.2.2-3.1ubuntu0.7+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libarchive13-3.2.2-3.1ubuntu0.7-esm2.md) | Mar 13, 2026 |
| Linux | libarchive13 Ubuntu 20.04 LTS (focal) | 3.4.0-2ubuntu1.5+esm1 | [libarchive13 3.4.0-2ubuntu1.5+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libarchive13-3.4.0-2ubuntu1.5-esm1.md) | Mar 13, 2026 |
| Linux | libarchive13 Ubuntu 22.04.1 LTS (jammy) | 3.6.0-1ubuntu1.6 | [libarchive13 3.6.0-1ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libarchive13-3.6.0-1ubuntu1.6.md) | Mar 13, 2026 |
| Linux | libarchive13t64 Ubuntu 24.04.5 LTS (noble) | 3.7.2-2ubuntu0.6 | [libarchive13t64 3.7.2-2ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libarchive13t64-3.7.2-2ubuntu0.6.md) | Mar 13, 2026 |
| Linux | libarchive13t64 Ubuntu 25.10 (questing) | 3.7.7-0ubuntu3.1 | [libarchive13t64 3.7.7-0ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libarchive13t64-3.7.7-0ubuntu3.1.md) | Mar 13, 2026 |

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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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