# CVE-2025-5915: Libarchive: heap buffer over read in copy_from_lzss_window() at archive_read_support_format_rar.c CVE-2025-5915 is fixed in 15 products on 1 platform, first by libarchive-tools 3.6.0-1ubuntu1.5, released June 9, 2025. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2025-5915 - Priority: Routine - CVSS: 6.6 (Medium) - EPSS: 0.0021 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Jun 9, 2025 - Weakness: Heap-based Buffer Overflow - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-5915 ## Description A vulnerability has been identified in the libarchive library. This flawcan lead to a heap buffer over-read due to the size of a filter blockpotentially exceeding the Lempel-Ziv-Storer-Schieber (LZSS) window. Thismeans the library may attempt to read beyond the allocated memory buffer,which can result in unpredictable program behavior, crashes (denial ofservice), or the disclosure of sensitive information from adjacent memoryregions. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | bsdcat amzn 2023 | 3.7.4-2.amzn2023.0.4 | [ALAS2023-2025-1091](https://patchblox.com/security/data/fix/linux/alas2023-2025-1091.md) | Jul 21, 2025 | | Linux | bsdcat-debuginfo amzn 2023 | 3.7.4-2.amzn2023.0.4 | [ALAS2023-2025-1091](https://patchblox.com/security/data/fix/linux/alas2023-2025-1091.md) | Jul 21, 2025 | | Linux | bsdcpio amzn 2023 | 3.7.4-2.amzn2023.0.4 | [ALAS2023-2025-1091](https://patchblox.com/security/data/fix/linux/alas2023-2025-1091.md) | Jul 21, 2025 | | Linux | bsdcpio-debuginfo amzn 2023 | 3.7.4-2.amzn2023.0.4 | [ALAS2023-2025-1091](https://patchblox.com/security/data/fix/linux/alas2023-2025-1091.md) | Jul 21, 2025 | | Linux | bsdtar amzn 2023 | 3.7.4-2.amzn2023.0.4 | [ALAS2023-2025-1091](https://patchblox.com/security/data/fix/linux/alas2023-2025-1091.md) | Jul 21, 2025 | | Linux | bsdtar-debuginfo amzn 2023 | 3.7.4-2.amzn2023.0.4 | [ALAS2023-2025-1091](https://patchblox.com/security/data/fix/linux/alas2023-2025-1091.md) | Jul 21, 2025 | | Linux | bsdunzip amzn 2023 | 3.7.4-2.amzn2023.0.4 | [ALAS2023-2025-1091](https://patchblox.com/security/data/fix/linux/alas2023-2025-1091.md) | Jul 21, 2025 | | Linux | bsdunzip-debuginfo amzn 2023 | 3.7.4-2.amzn2023.0.4 | [ALAS2023-2025-1091](https://patchblox.com/security/data/fix/linux/alas2023-2025-1091.md) | Jul 21, 2025 | | Linux | libarchive Debian 12.15 (bookworm) | 3.6.2-1+deb12u3 | [DEBIAN-CVE-2025-5915](https://patchblox.com/security/data/fix/linux/debian-cve-2025-5915.md) | Jun 9, 2025 | | Linux | libarchive Debian 13.5 (trixie) | 3.7.4-4 | [DEBIAN-CVE-2025-5915](https://patchblox.com/security/data/fix/linux/debian-cve-2025-5915.md) | Jun 9, 2025 | | Linux | libarchive Debian 14 | 3.7.4-4 | [DEBIAN-CVE-2025-5915](https://patchblox.com/security/data/fix/linux/debian-cve-2025-5915.md) | Jun 9, 2025 | | Linux | libarchive amzn 2023 | 3.7.4-2.amzn2023.0.4 | [ALAS2023-2025-1091](https://patchblox.com/security/data/fix/linux/alas2023-2025-1091.md) | Jul 21, 2025 | | Linux | libarchive opensuse-leap 15.6 | 3.7.2-150600.3.17.1 | [SUSE-SU-2025:02566-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02566-1.md) | Jul 31, 2025 | | Linux | libarchive sles 15.6 | 3.7.2-150600.3.17.1 | [SUSE-SU-2025:02566-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02566-1.md) | Jul 31, 2025 | | Linux | libarchive sles 15.7 | 3.7.2-150600.3.17.1 | [SUSE-SU-2025:02566-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02566-1.md) | Jul 31, 2025 | | Linux | libarchive-debuginfo amzn 2023 | 3.7.4-2.amzn2023.0.4 | [ALAS2023-2025-1091](https://patchblox.com/security/data/fix/linux/alas2023-2025-1091.md) | Jul 21, 2025 | | Linux | libarchive-debugsource amzn 2023 | 3.7.4-2.amzn2023.0.4 | [ALAS2023-2025-1091](https://patchblox.com/security/data/fix/linux/alas2023-2025-1091.md) | Jul 21, 2025 | | Linux | libarchive-devel amzn 2023 | 3.7.4-2.amzn2023.0.4 | [ALAS2023-2025-1091](https://patchblox.com/security/data/fix/linux/alas2023-2025-1091.md) | Jul 21, 2025 | | Linux | libarchive-tools Ubuntu 22.04.1 LTS (jammy) | 3.6.0-1ubuntu1.5 | [libarchive-tools 3.6.0-1ubuntu1.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libarchive-tools-3.6.0-1ubuntu1.5.md) | Jun 9, 2025 | | Linux | libarchive-tools Ubuntu 24.04.5 LTS (noble) | 3.7.2-2ubuntu0.5 | [libarchive-tools 3.7.2-2ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libarchive-tools-3.7.2-2ubuntu0.5.md) | Jun 9, 2025 | | Linux | libarchive-tools Ubuntu 24.10 (oracular) | 3.7.4-1ubuntu0.3 | [libarchive-tools 3.7.4-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libarchive-tools-3.7.4-1ubuntu0.3.md) | Jan 16, 2026 | | Linux | libarchive-tools Ubuntu 25.04 (plucky) | 3.7.7-0ubuntu2.3 | [libarchive-tools 3.7.7-0ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libarchive-tools-3.7.7-0ubuntu2.3.md) | Jan 16, 2026 | | Linux | libarchive-tools Ubuntu 25.10 (questing) | 3.7.7-0ubuntu3 | [libarchive-tools 3.7.7-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libarchive-tools-3.7.7-0ubuntu3.md) | Jun 9, 2025 | | Linux | libarchive13 Ubuntu 22.04.1 LTS (jammy) | 3.6.0-1ubuntu1.5 | [libarchive13 3.6.0-1ubuntu1.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libarchive13-3.6.0-1ubuntu1.5.md) | Jun 9, 2025 | | Linux | libarchive13t64 Ubuntu 24.04.5 LTS (noble) | 3.7.2-2ubuntu0.5 | [libarchive13t64 3.7.2-2ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libarchive13t64-3.7.2-2ubuntu0.5.md) | Jun 9, 2025 | | Linux | libarchive13t64 Ubuntu 24.10 (oracular) | 3.7.4-1ubuntu0.3 | [libarchive13t64 3.7.4-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libarchive13t64-3.7.4-1ubuntu0.3.md) | Jan 16, 2026 | | Linux | libarchive13t64 Ubuntu 25.04 (plucky) | 3.7.7-0ubuntu2.3 | [libarchive13t64 3.7.7-0ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libarchive13t64-3.7.7-0ubuntu2.3.md) | Jan 16, 2026 | | Linux | libarchive13t64 Ubuntu 25.10 (questing) | 3.7.7-0ubuntu3 | [libarchive13t64 3.7.7-0ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libarchive13t64-3.7.7-0ubuntu3.md) | Jun 9, 2025 | --- Data as of 2026-11-08T06:59:42Z UTC. 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