Libarchive: off by one error in build_ustar_entry_name() at archive_write_set_format_pax.c
CVE-2025-5917 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.
A vulnerability has been identified in the libarchive library. This flawinvolves an 'off-by-one' miscalculation when handling prefixes and suffixesfor file names. This can lead to a 1-byte write overflow. While seeminglysmall, such an overflow can corrupt adjacent memory, leading tounpredictable program behavior, crashes, or in specific circumstances,could be leveraged as a building block for more sophisticated exploitation.This bug affects libarchive versions prior to 3.8.0.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bsdcat · amzn 2023 | 3.7.4-2.amzn2023.0.4 | ALAS2023-2025-1091 | Jul 21, 2025 |
| bsdcat-debuginfo · amzn 2023 | 3.7.4-2.amzn2023.0.4 | ALAS2023-2025-1091 | Jul 21, 2025 |
| bsdcpio · Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.7+esm2 | bsdcpio 3.2.2-3.1ubuntu0.7+esm2 | Mar 13, 2026 |
| bsdcpio · amzn 2023 | 3.7.4-2.amzn2023.0.4 | ALAS2023-2025-1091 | Jul 21, 2025 |
| bsdcpio-debuginfo · amzn 2023 | 3.7.4-2.amzn2023.0.4 | ALAS2023-2025-1091 | Jul 21, 2025 |
| bsdtar · Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.7+esm2 | bsdtar 3.2.2-3.1ubuntu0.7+esm2 | Mar 13, 2026 |
| bsdtar · amzn 2023 | 3.7.4-2.amzn2023.0.4 | ALAS2023-2025-1091 | Jul 21, 2025 |
| bsdtar-debuginfo · amzn 2023 | 3.7.4-2.amzn2023.0.4 | ALAS2023-2025-1091 | Jul 21, 2025 |
| bsdunzip · amzn 2023 | 3.7.4-2.amzn2023.0.4 | ALAS2023-2025-1091 | Jul 21, 2025 |
| bsdunzip-debuginfo · amzn 2023 | 3.7.4-2.amzn2023.0.4 | ALAS2023-2025-1091 | Jul 21, 2025 |
| libarchive · Debian 12.15 (bookworm) | 3.6.2-1+deb12u3 | DEBIAN-CVE-2025-5917 | Jun 9, 2025 |
| libarchive · Debian 13.5 (trixie) | 3.7.4-4 | DEBIAN-CVE-2025-5917 | Jun 9, 2025 |
| libarchive · Debian 14 | 3.7.4-4 | DEBIAN-CVE-2025-5917 | Jun 9, 2025 |
| libarchive · amzn 2023 | 3.7.4-2.amzn2023.0.4 | ALAS2023-2025-1091 | Jul 21, 2025 |
| libarchive · opensuse-leap 15.6 | 3.7.2-150600.3.17.1 | SUSE-SU-2025:02566-1 | Jul 31, 2025 |
| libarchive · sles 15.6 | 3.7.2-150600.3.17.1 | SUSE-SU-2025:02566-1 | Jul 31, 2025 |
| libarchive · sles 15.7 | 3.7.2-150600.3.17.1 | SUSE-SU-2025:02566-1 | Jul 31, 2025 |
| libarchive-debuginfo · amzn 2023 | 3.7.4-2.amzn2023.0.4 | ALAS2023-2025-1091 | Jul 21, 2025 |
| libarchive-debugsource · amzn 2023 | 3.7.4-2.amzn2023.0.4 | ALAS2023-2025-1091 | Jul 21, 2025 |
| libarchive-devel · amzn 2023 | 3.7.4-2.amzn2023.0.4 | ALAS2023-2025-1091 | Jul 21, 2025 |
| libarchive-tools · Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.7+esm2 | libarchive-tools 3.2.2-3.1ubuntu0.7+esm2 | Mar 13, 2026 |
| libarchive-tools · Ubuntu 20.04 LTS (focal) | 3.4.0-2ubuntu1.5+esm1 | libarchive-tools 3.4.0-2ubuntu1.5+esm1 | Mar 13, 2026 |
| libarchive-tools · Ubuntu 22.04.1 LTS (jammy) | 3.6.0-1ubuntu1.5 | libarchive-tools 3.6.0-1ubuntu1.5 | Jun 9, 2025 |
| libarchive-tools · Ubuntu 24.04.5 LTS (noble) | 3.7.2-2ubuntu0.5 | libarchive-tools 3.7.2-2ubuntu0.5 | Jun 9, 2025 |
| libarchive-tools · Ubuntu 24.10 (oracular) | 3.7.4-1ubuntu0.3 | libarchive-tools 3.7.4-1ubuntu0.3 | Jan 16, 2026 |
| libarchive-tools · Ubuntu 25.04 (plucky) | 3.7.7-0ubuntu2.3 | libarchive-tools 3.7.7-0ubuntu2.3 | Jan 16, 2026 |
| libarchive-tools · Ubuntu 25.10 (questing) | 3.7.7-0ubuntu3 | libarchive-tools 3.7.7-0ubuntu3 | Jun 9, 2025 |
| libarchive13 · Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.7+esm2 | libarchive13 3.2.2-3.1ubuntu0.7+esm2 | Mar 13, 2026 |
| libarchive13 · Ubuntu 20.04 LTS (focal) | 3.4.0-2ubuntu1.5+esm1 | libarchive13 3.4.0-2ubuntu1.5+esm1 | Mar 13, 2026 |
| libarchive13 · Ubuntu 22.04.1 LTS (jammy) | 3.6.0-1ubuntu1.5 | libarchive13 3.6.0-1ubuntu1.5 | Jun 9, 2025 |
| libarchive13t64 · Ubuntu 24.04.5 LTS (noble) | 3.7.2-2ubuntu0.5 | libarchive13t64 3.7.2-2ubuntu0.5 | Jun 9, 2025 |
| libarchive13t64 · Ubuntu 24.10 (oracular) | 3.7.4-1ubuntu0.3 | libarchive13t64 3.7.4-1ubuntu0.3 | Jan 16, 2026 |
| libarchive13t64 · Ubuntu 25.04 (plucky) | 3.7.7-0ubuntu2.3 | libarchive13t64 3.7.7-0ubuntu2.3 | Jan 16, 2026 |
| libarchive13t64 · Ubuntu 25.10 (questing) | 3.7.7-0ubuntu3 | libarchive13t64 3.7.7-0ubuntu3 | Jun 9, 2025 |
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