# CVE-2023-52425: expat: libexpat through 2.5.0 allows a denial of service (resource consumption)because many full reparsings are required in...

CVE-2023-52425 is fixed in 27 products on 1 platform, first by expat 2.6.0-1, released February 4, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-52425
- Priority: High
- CVSS: 7.5 (Medium)
- EPSS: 0.0215
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 4, 2024

## Description

libexpat through 2.5.0 allows a denial of service (resource consumption)because many full reparsings are required in the case of a large token forwhich multiple buffer fills are needed.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | expat Debian 11.6 (bullseye) | 2.2.10-2+deb11u6 | [DLA-3893-1](https://patchblox.com/security/data/fix/linux/dla-3893-1.md) | Sep 19, 2024 |
| Linux | expat Debian 12.15 (bookworm) | 2.5.0-1+deb12u2 | [DEBIAN-CVE-2023-52425](https://patchblox.com/security/data/fix/linux/debian-cve-2023-52425.md) | Feb 4, 2024 |
| Linux | expat Debian 13.5 (trixie) | 2.6.0-1 | [DEBIAN-CVE-2023-52425](https://patchblox.com/security/data/fix/linux/debian-cve-2023-52425.md) | Feb 4, 2024 |
| Linux | expat Debian 14 | 2.6.0-1 | [DEBIAN-CVE-2023-52425](https://patchblox.com/security/data/fix/linux/debian-cve-2023-52425.md) | Feb 4, 2024 |
| Linux | expat RHEL 8 | 0:2.2.5-11.el8_9.1 | [RHSA-2024:1615](https://patchblox.com/security/data/fix/linux/rhsa-2024-1615.md) | Apr 2, 2024 |
| Linux | expat RHEL 9 | 0:2.5.0-1.el9_3.1 | [RHSA-2024:1530](https://patchblox.com/security/data/fix/linux/rhsa-2024-1530.md) | Mar 26, 2024 |
| Linux | expat Ubuntu 22.04.1 LTS (jammy) | 2.4.7-1ubuntu0.3 | [expat 2.4.7-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-expat-2.4.7-1ubuntu0.3.md) | Mar 9, 2024 |
| Linux | expat Ubuntu 24.04.5 LTS (noble) | 2.6.0-1 | [expat 2.6.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-expat-2.6.0-1.md) | Feb 4, 2024 |
| Linux | expat Ubuntu 24.10 (oracular) | 2.6.0-1 | [expat 2.6.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-expat-2.6.0-1.md) | Jan 16, 2026 |
| Linux | expat Ubuntu 25.04 (plucky) | 2.6.0-1 | [expat 2.6.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-expat-2.6.0-1.md) | Jan 16, 2026 |
| Linux | expat almalinux 8 | 2.2.5-11.el8_9.1 | [ALSA-2024:1615](https://patchblox.com/security/data/fix/linux/alsa-2024-1615.md) | Apr 2, 2024 |
| Linux | expat almalinux 9 | 2.5.0-1.el9_3.1 | [ALSA-2024:1530](https://patchblox.com/security/data/fix/linux/alsa-2024-1530.md) | Mar 26, 2024 |
| Linux | expat amzn 2023 | 2.6.3-1.amzn2023.0.1 | [ALAS2023-2024-759](https://patchblox.com/security/data/fix/linux/alas2023-2024-759.md) | Nov 13, 2024 |
| Linux | expat ol 8 | 0:2.2.5-11.0.1.el8_9.1 | [ELSA-2024-1615](https://patchblox.com/security/data/fix/linux/elsa-2024-1615.md) | Apr 3, 2024 |
| Linux | expat ol 9 | 0:2.5.0-1.el9_3.1 | [ELSA-2024-1530](https://patchblox.com/security/data/fix/linux/elsa-2024-1530.md) | Mar 26, 2024 |
| Linux | expat rocky 8 | 0:2.2.5-11.el8_9.1 | [RLSA-2024:1615](https://patchblox.com/security/data/fix/linux/rlsa-2024-1615.md) | Apr 5, 2024 |
| Linux | expat sles 15.6 | 2.8.5-150400.3.40.1 | [SUSE-SU-2026:4623-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4623-1.md) | Nov 7, 2026 |
| Linux | expat-debuginfo amzn 2023 | 2.6.3-1.amzn2023.0.1 | [ALAS2023-2024-759](https://patchblox.com/security/data/fix/linux/alas2023-2024-759.md) | Nov 13, 2024 |
| Linux | expat-debugsource amzn 2023 | 2.6.3-1.amzn2023.0.1 | [ALAS2023-2024-759](https://patchblox.com/security/data/fix/linux/alas2023-2024-759.md) | Nov 13, 2024 |
| Linux | expat-devel RHEL 8 | 0:2.2.5-11.el8_9.1 | [RHSA-2024:1615](https://patchblox.com/security/data/fix/linux/rhsa-2024-1615.md) | Apr 2, 2024 |
| Linux | expat-devel RHEL 9 | 0:2.5.0-1.el9_3.1 | [RHSA-2024:1530](https://patchblox.com/security/data/fix/linux/rhsa-2024-1530.md) | Mar 26, 2024 |
| Linux | expat-devel almalinux 8 | 2.2.5-11.el8_9.1 | [ALSA-2024:1615](https://patchblox.com/security/data/fix/linux/alsa-2024-1615.md) | Apr 2, 2024 |
| Linux | expat-devel almalinux 9 | 2.5.0-1.el9_3.1 | [ALSA-2024:1530](https://patchblox.com/security/data/fix/linux/alsa-2024-1530.md) | Mar 26, 2024 |
| Linux | expat-devel amzn 2023 | 2.6.3-1.amzn2023.0.1 | [ALAS2023-2024-759](https://patchblox.com/security/data/fix/linux/alas2023-2024-759.md) | Nov 13, 2024 |
| Linux | expat-devel ol 8 | 0:2.2.5-11.0.1.el8_9.1 | [ELSA-2024-1615](https://patchblox.com/security/data/fix/linux/elsa-2024-1615.md) | Apr 3, 2024 |
| Linux | expat-devel ol 9 | 0:2.5.0-1.el9_3.1 | [ELSA-2024-1530](https://patchblox.com/security/data/fix/linux/elsa-2024-1530.md) | Mar 26, 2024 |
| Linux | expat-static amzn 2023 | 2.6.3-1.amzn2023.0.1 | [ALAS2023-2024-759](https://patchblox.com/security/data/fix/linux/alas2023-2024-759.md) | Nov 13, 2024 |
| Linux | libexpat1 Ubuntu 22.04.1 LTS (jammy) | 2.4.7-1ubuntu0.3 | [libexpat1 2.4.7-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libexpat1-2.4.7-1ubuntu0.3.md) | Mar 9, 2024 |
| Linux | libexpat1 Ubuntu 24.04.5 LTS (noble) | 2.6.0-1 | [libexpat1 2.6.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libexpat1-2.6.0-1.md) | Feb 4, 2024 |
| Linux | libexpat1 Ubuntu 24.10 (oracular) | 2.6.0-1 | [libexpat1 2.6.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libexpat1-2.6.0-1.md) | Jan 16, 2026 |
| Linux | libexpat1 Ubuntu 25.04 (plucky) | 2.6.0-1 | [libexpat1 2.6.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libexpat1-2.6.0-1.md) | Jan 16, 2026 |
| Linux | python opensuse-leap 15.6 | 2.7.18-150000.65.1 | [SUSE-SU-2024:1862-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-1862-1.md) | May 30, 2024 |
| Linux | python sles 15.6 | 2.7.18-150000.65.1 | [SUSE-SU-2024:1862-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-1862-1.md) | May 30, 2024 |
| Linux | python-base opensuse-leap 15.6 | 2.7.18-150000.65.1 | [SUSE-SU-2024:1862-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-1862-1.md) | May 30, 2024 |
| Linux | python-base sles 15.6 | 2.7.18-150000.65.1 | [SUSE-SU-2024:1862-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-1862-1.md) | May 30, 2024 |
| Linux | python-doc opensuse-leap 15.6 | 2.7.18-150000.65.1 | [SUSE-SU-2024:1862-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-1862-1.md) | May 30, 2024 |
| Linux | python3 opensuse-leap 15.6 | 3.6.15-150300.10.65.2 | [SUSE-SU-2024:2479-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2479-1.md) | Jul 15, 2024 |
| Linux | python3 sles 15.6 | 3.6.15-150300.10.65.2 | [SUSE-SU-2024:2479-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2479-1.md) | Jul 15, 2024 |
| Linux | python3-core opensuse-leap 15.6 | 3.6.15-150300.10.65.1 | [SUSE-SU-2024:2479-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2479-1.md) | Jul 15, 2024 |
| Linux | python3-core sles 15.6 | 3.6.15-150300.10.65.1 | [SUSE-SU-2024:2479-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2479-1.md) | Jul 15, 2024 |
| Linux | python3-documentation opensuse-leap 15.6 | 3.6.15-150300.10.65.1 | [SUSE-SU-2024:2479-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2479-1.md) | Jul 15, 2024 |
| Linux | python310 opensuse-leap 15.6 | 3.10.14-150400.4.48.1 | [SUSE-SU-2024:1698-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-1698-1.md) | May 20, 2024 |
| Linux | python310-core opensuse-leap 15.6 | 3.10.14-150400.4.48.1 | [SUSE-SU-2024:1698-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-1698-1.md) | May 20, 2024 |
| Linux | python310-documentation opensuse-leap 15.6 | 3.10.14-150400.4.48.1 | [SUSE-SU-2024:1698-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-1698-1.md) | May 20, 2024 |
| Linux | xmlrpc-c RHEL 8 | 0:1.51.0-9.el8_10 | [RHSA-2024:4259](https://patchblox.com/security/data/fix/linux/rhsa-2024-4259.md) | Jul 2, 2024 |
| Linux | xmlrpc-c almalinux 8 | 1.51.0-9.el8_10 | [ALSA-2024:4259](https://patchblox.com/security/data/fix/linux/alsa-2024-4259.md) | Jul 2, 2024 |
| Linux | xmlrpc-c amzn 2023 | 1.51.08-2.amzn2023.0.2 | [ALAS2023-2025-1229](https://patchblox.com/security/data/fix/linux/alas2023-2025-1229.md) | Oct 27, 2025 |
| Linux | xmlrpc-c ol 8 | 0:1.51.0-9.el8_10 | [ELSA-2024-4259](https://patchblox.com/security/data/fix/linux/elsa-2024-4259.md) | Jul 2, 2024 |
| Linux | xmlrpc-c rocky 8 | 0:1.51.0-9.el8_10 | [RLSA-2024:4259](https://patchblox.com/security/data/fix/linux/rlsa-2024-4259.md) | May 7, 2025 |
| Linux | xmlrpc-c-apps amzn 2023 | 1.51.08-2.amzn2023.0.2 | [ALAS2023-2025-1229](https://patchblox.com/security/data/fix/linux/alas2023-2025-1229.md) | Oct 27, 2025 |
| Linux | xmlrpc-c-apps-debuginfo amzn 2023 | 1.51.08-2.amzn2023.0.2 | [ALAS2023-2025-1229](https://patchblox.com/security/data/fix/linux/alas2023-2025-1229.md) | Oct 27, 2025 |
| Linux | xmlrpc-c-c++ RHEL 8 | 0:1.51.0-9.el8_10 | [RHSA-2024:4259](https://patchblox.com/security/data/fix/linux/rhsa-2024-4259.md) | Jul 2, 2024 |
| Linux | xmlrpc-c-c++ almalinux 8 | 1.51.0-9.el8_10 | [ALSA-2024:4259](https://patchblox.com/security/data/fix/linux/alsa-2024-4259.md) | Jul 2, 2024 |
| Linux | xmlrpc-c-c++ amzn 2023 | 1.51.08-2.amzn2023.0.2 | [ALAS2023-2025-1229](https://patchblox.com/security/data/fix/linux/alas2023-2025-1229.md) | Oct 27, 2025 |
| Linux | xmlrpc-c-c++ ol 8 | 0:1.51.0-9.el8_10 | [ELSA-2024-4259](https://patchblox.com/security/data/fix/linux/elsa-2024-4259.md) | Jul 2, 2024 |
| Linux | xmlrpc-c-c++-debuginfo amzn 2023 | 1.51.08-2.amzn2023.0.2 | [ALAS2023-2025-1229](https://patchblox.com/security/data/fix/linux/alas2023-2025-1229.md) | Oct 27, 2025 |
| Linux | xmlrpc-c-client RHEL 8 | 0:1.51.0-9.el8_10 | [RHSA-2024:4259](https://patchblox.com/security/data/fix/linux/rhsa-2024-4259.md) | Jul 2, 2024 |
| Linux | xmlrpc-c-client almalinux 8 | 1.51.0-9.el8_10 | [ALSA-2024:4259](https://patchblox.com/security/data/fix/linux/alsa-2024-4259.md) | Jul 2, 2024 |
| Linux | xmlrpc-c-client amzn 2023 | 1.51.08-2.amzn2023.0.2 | [ALAS2023-2025-1229](https://patchblox.com/security/data/fix/linux/alas2023-2025-1229.md) | Oct 27, 2025 |
| Linux | xmlrpc-c-client ol 8 | 0:1.51.0-9.el8_10 | [ELSA-2024-4259](https://patchblox.com/security/data/fix/linux/elsa-2024-4259.md) | Jul 2, 2024 |
| Linux | xmlrpc-c-client++ RHEL 8 | 0:1.51.0-9.el8_10 | [RHSA-2024:4259](https://patchblox.com/security/data/fix/linux/rhsa-2024-4259.md) | Jul 2, 2024 |
| Linux | xmlrpc-c-client++ almalinux 8 | 1.51.0-9.el8_10 | [ALSA-2024:4259](https://patchblox.com/security/data/fix/linux/alsa-2024-4259.md) | Jul 2, 2024 |
| Linux | xmlrpc-c-client++ amzn 2023 | 1.51.08-2.amzn2023.0.2 | [ALAS2023-2025-1229](https://patchblox.com/security/data/fix/linux/alas2023-2025-1229.md) | Oct 27, 2025 |
| Linux | xmlrpc-c-client++ ol 8 | 0:1.51.0-9.el8_10 | [ELSA-2024-4259](https://patchblox.com/security/data/fix/linux/elsa-2024-4259.md) | Jul 2, 2024 |
| Linux | xmlrpc-c-client++-debuginfo amzn 2023 | 1.51.08-2.amzn2023.0.2 | [ALAS2023-2025-1229](https://patchblox.com/security/data/fix/linux/alas2023-2025-1229.md) | Oct 27, 2025 |
| Linux | xmlrpc-c-client-debuginfo amzn 2023 | 1.51.08-2.amzn2023.0.2 | [ALAS2023-2025-1229](https://patchblox.com/security/data/fix/linux/alas2023-2025-1229.md) | Oct 27, 2025 |
| Linux | xmlrpc-c-debuginfo amzn 2023 | 1.51.08-2.amzn2023.0.2 | [ALAS2023-2025-1229](https://patchblox.com/security/data/fix/linux/alas2023-2025-1229.md) | Oct 27, 2025 |
| Linux | xmlrpc-c-debugsource amzn 2023 | 1.51.08-2.amzn2023.0.2 | [ALAS2023-2025-1229](https://patchblox.com/security/data/fix/linux/alas2023-2025-1229.md) | Oct 27, 2025 |
| Linux | xmlrpc-c-devel RHEL 8 | 0:1.51.0-9.el8_10 | [RHSA-2024:4259](https://patchblox.com/security/data/fix/linux/rhsa-2024-4259.md) | Jul 2, 2024 |
| Linux | xmlrpc-c-devel almalinux 8 | 1.51.0-9.el8_10 | [ALSA-2024:4259](https://patchblox.com/security/data/fix/linux/alsa-2024-4259.md) | Jul 2, 2024 |
| Linux | xmlrpc-c-devel amzn 2023 | 1.51.08-2.amzn2023.0.2 | [ALAS2023-2025-1229](https://patchblox.com/security/data/fix/linux/alas2023-2025-1229.md) | Oct 27, 2025 |
| Linux | xmlrpc-c-devel ol 8 | 0:1.51.0-9.el8_10 | [ELSA-2024-4259](https://patchblox.com/security/data/fix/linux/elsa-2024-4259.md) | Jul 2, 2024 |

---

Data as of 2026-11-11T01:43:54Z 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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