# CVE-2024-55549: libxslt: Processing maliciously crafted web content may lead to an unexpected process crash

CVE-2024-55549 is fixed in 13 products on 2 platforms, first by Sequoia 15.3, released January 27, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-55549
- Priority: High
- CVSS: 7.8 (HIGH)
- EPSS: 0.0036
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 27, 2025
- Vendor advisory: https://support.apple.com/en-us/122068

## Description

This is a vulnerability in open source code and Apple Software is among the affected projects. The

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| macOS | Sequoia | 15.3 | [Sequoia 15.3](https://patchblox.com/security/data/fix/macos/sequoia-15.3.md) | Jan 27, 2025 |
| macOS | Sonoma | 14.7.3 | [Sonoma 14.7.3](https://patchblox.com/security/data/fix/macos/sonoma-14.7.3.md) | Jan 27, 2025 |
| macOS | Ventura | 13.7.3 | [Ventura 13.7.3](https://patchblox.com/security/data/fix/macos/ventura-13.7.3.md) | Jan 27, 2025 |
| Linux | libxslt Debian 11.6 (bullseye) | 1.1.34-4+deb11u2 | [DLA-4089-1](https://patchblox.com/security/data/fix/linux/dla-4089-1.md) | Mar 24, 2025 |
| Linux | libxslt Debian 12.15 (bookworm) | 1.1.35-1+deb12u1 | [DSA-5884-1](https://patchblox.com/security/data/fix/linux/dsa-5884-1.md) | Mar 23, 2025 |
| Linux | libxslt Debian 13.5 (trixie) | 1.1.35-1.2 | [DEBIAN-CVE-2024-55549](https://patchblox.com/security/data/fix/linux/debian-cve-2024-55549.md) | Mar 14, 2025 |
| Linux | libxslt Debian 14 | 1.1.35-1.2 | [DEBIAN-CVE-2024-55549](https://patchblox.com/security/data/fix/linux/debian-cve-2024-55549.md) | Mar 14, 2025 |
| Linux | libxslt RHEL 10 | 1.1.39-7.el10_0 | [RHSA-2025:7496](https://patchblox.com/security/data/fix/linux/rhsa-2025-7496.md) | Mar 14, 2025 |
| Linux | libxslt RHEL 8 | 0:1.1.32-6.1.el8_10 | [RHSA-2025:3615](https://patchblox.com/security/data/fix/linux/rhsa-2025-3615.md) | Apr 7, 2025 |
| Linux | libxslt RHEL 9 | 0:1.1.34-13.el9_6 | [RHSA-2025:7410](https://patchblox.com/security/data/fix/linux/rhsa-2025-7410.md) | May 13, 2025 |
| Linux | libxslt almalinux 10 | 1.1.39-7.el10_0 | [ALSA-2025:7496](https://patchblox.com/security/data/fix/linux/alsa-2025-7496.md) | May 13, 2025 |
| Linux | libxslt almalinux 8 | 1.1.32-6.1.el8_10 | [ALSA-2025:3615](https://patchblox.com/security/data/fix/linux/alsa-2025-3615.md) | Apr 7, 2025 |
| Linux | libxslt almalinux 9 | 1.1.34-13.el9_6 | [ALSA-2025:7410](https://patchblox.com/security/data/fix/linux/alsa-2025-7410.md) | May 13, 2025 |
| Linux | libxslt amzn 2023 | 1.1.43-1.amzn2023.0.1 | [ALAS2023-2025-909](https://patchblox.com/security/data/fix/linux/alas2023-2025-909.md) | Mar 26, 2025 |
| Linux | libxslt ol 10 | 0:1.1.39-7.el10_0 | [ELSA-2025-7496](https://patchblox.com/security/data/fix/linux/elsa-2025-7496.md) | Jun 26, 2025 |
| Linux | libxslt ol 8 | 0:1.1.32-6.1.0.1.el8_10 | [ELSA-2025-3615](https://patchblox.com/security/data/fix/linux/elsa-2025-3615.md) | Apr 7, 2025 |
| Linux | libxslt ol 9 | 0:1.1.34-9.0.1.el9_5.2 | [ELSA-2025-4025](https://patchblox.com/security/data/fix/linux/elsa-2025-4025.md) | Apr 21, 2025 |
| Linux | libxslt opensuse-leap 15.6 | 1.1.34-150400.3.6.1 | [SUSE-SU-2025:1125-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1125-1.md) | Apr 3, 2025 |
| Linux | libxslt rocky 10 | 0:1.1.39-7.el10_0 | [RLSA-2025:7496](https://patchblox.com/security/data/fix/linux/rlsa-2025-7496.md) | Oct 3, 2025 |
| Linux | libxslt rocky 8 | 0:1.1.32-6.1.el8_10 | [RLSA-2025:3615](https://patchblox.com/security/data/fix/linux/rlsa-2025-3615.md) | Jul 29, 2025 |
| Linux | libxslt rocky 9 | 0:1.1.34-13.el9_6 | [RLSA-2025:7410](https://patchblox.com/security/data/fix/linux/rlsa-2025-7410.md) | Oct 4, 2025 |
| Linux | libxslt sles 15.6 | 1.1.34-150400.3.6.1 | [SUSE-SU-2025:1125-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1125-1.md) | Apr 3, 2025 |
| Linux | libxslt-debuginfo amzn 2023 | 1.1.43-1.amzn2023.0.1 | [ALAS2023-2025-909](https://patchblox.com/security/data/fix/linux/alas2023-2025-909.md) | Mar 26, 2025 |
| Linux | libxslt-debugsource amzn 2023 | 1.1.43-1.amzn2023.0.1 | [ALAS2023-2025-909](https://patchblox.com/security/data/fix/linux/alas2023-2025-909.md) | Mar 26, 2025 |
| Linux | libxslt-devel RHEL 8 | 0:1.1.32-6.1.el8_10 | [RHSA-2025:3615](https://patchblox.com/security/data/fix/linux/rhsa-2025-3615.md) | Apr 7, 2025 |
| Linux | libxslt-devel RHEL 9 | 0:1.1.34-13.el9_6 | [RHSA-2025:7410](https://patchblox.com/security/data/fix/linux/rhsa-2025-7410.md) | May 13, 2025 |
| Linux | libxslt-devel almalinux 10 | 1.1.39-7.el10_0 | [ALSA-2025:7496](https://patchblox.com/security/data/fix/linux/alsa-2025-7496.md) | May 13, 2025 |
| Linux | libxslt-devel almalinux 8 | 1.1.32-6.1.el8_10 | [ALSA-2025:3615](https://patchblox.com/security/data/fix/linux/alsa-2025-3615.md) | Apr 7, 2025 |
| Linux | libxslt-devel almalinux 9 | 1.1.34-13.el9_6 | [ALSA-2025:7410](https://patchblox.com/security/data/fix/linux/alsa-2025-7410.md) | May 13, 2025 |
| Linux | libxslt-devel amzn 2023 | 1.1.43-1.amzn2023.0.1 | [ALAS2023-2025-909](https://patchblox.com/security/data/fix/linux/alas2023-2025-909.md) | Mar 26, 2025 |
| Linux | libxslt-devel ol 10 | 0:1.1.39-7.el10_0 | [ELSA-2025-7496](https://patchblox.com/security/data/fix/linux/elsa-2025-7496.md) | Jun 26, 2025 |
| Linux | libxslt-devel ol 8 | 0:1.1.32-6.1.0.1.el8_10 | [ELSA-2025-3615](https://patchblox.com/security/data/fix/linux/elsa-2025-3615.md) | Apr 7, 2025 |
| Linux | libxslt-devel ol 9 | 0:1.1.34-9.0.1.el9_5.2 | [ELSA-2025-4025](https://patchblox.com/security/data/fix/linux/elsa-2025-4025.md) | Apr 21, 2025 |
| Linux | libxslt-python opensuse-leap 15.6 | 1.1.32-150000.3.17.1 | [SUSE-SU-2025:1003-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1003-1.md) | Mar 25, 2025 |
| Linux | libxslt1.1 Ubuntu 18.04.6 LTS (bionic) | 1.1.29-5ubuntu0.3+esm2 | [libxslt1.1 1.1.29-5ubuntu0.3+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libxslt1.1-1.1.29-5ubuntu0.3-esm2.md) | Mar 13, 2025 |
| Linux | libxslt1.1 Ubuntu 20.04 LTS (focal) | 1.1.34-4ubuntu0.20.04.2 | [libxslt1.1 1.1.34-4ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libxslt1.1-1.1.34-4ubuntu0.20.04.2.md) | Mar 13, 2025 |
| Linux | libxslt1.1 Ubuntu 22.04.1 LTS (jammy) | 1.1.34-4ubuntu0.22.04.2 | [libxslt1.1 1.1.34-4ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libxslt1.1-1.1.34-4ubuntu0.22.04.2.md) | Mar 13, 2025 |
| Linux | libxslt1.1 Ubuntu 24.04.5 LTS (noble) | 1.1.39-0exp1ubuntu0.24.04.1 | [libxslt1.1 1.1.39-0exp1ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libxslt1.1-1.1.39-0exp1ubuntu0.24.04.1.md) | Mar 13, 2025 |
| Linux | libxslt1.1 Ubuntu 24.10 (oracular) | 1.1.39-0exp1ubuntu1.1 | [libxslt1.1 1.1.39-0exp1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libxslt1.1-1.1.39-0exp1ubuntu1.1.md) | Mar 14, 2025 |
| Linux | libxslt1.1 Ubuntu 25.04 (plucky) | 1.1.39-0exp1ubuntu3 | [libxslt1.1 1.1.39-0exp1ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libxslt1.1-1.1.39-0exp1ubuntu3.md) | Mar 14, 2025 |
| Linux | python-libxslt1 Ubuntu 18.04.6 LTS (bionic) | 1.1.29-5ubuntu0.3+esm2 | [python-libxslt1 1.1.29-5ubuntu0.3+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-libxslt1-1.1.29-5ubuntu0.3-esm2.md) | Mar 13, 2025 |
| Linux | python3-libxslt amzn 2023 | 1.1.43-1.amzn2023.0.1 | [ALAS2023-2025-909](https://patchblox.com/security/data/fix/linux/alas2023-2025-909.md) | Mar 26, 2025 |
| Linux | python3-libxslt-debuginfo amzn 2023 | 1.1.43-1.amzn2023.0.1 | [ALAS2023-2025-909](https://patchblox.com/security/data/fix/linux/alas2023-2025-909.md) | Mar 26, 2025 |
| Linux | xsltproc Ubuntu 18.04.6 LTS (bionic) | 1.1.29-5ubuntu0.3+esm2 | [xsltproc 1.1.29-5ubuntu0.3+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-xsltproc-1.1.29-5ubuntu0.3-esm2.md) | Mar 13, 2025 |
| Linux | xsltproc Ubuntu 20.04 LTS (focal) | 1.1.34-4ubuntu0.20.04.2 | [xsltproc 1.1.34-4ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-xsltproc-1.1.34-4ubuntu0.20.04.2.md) | Mar 13, 2025 |
| Linux | xsltproc Ubuntu 22.04.1 LTS (jammy) | 1.1.34-4ubuntu0.22.04.2 | [xsltproc 1.1.34-4ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-xsltproc-1.1.34-4ubuntu0.22.04.2.md) | Mar 13, 2025 |
| Linux | xsltproc Ubuntu 24.04.5 LTS (noble) | 1.1.39-0exp1ubuntu0.24.04.1 | [xsltproc 1.1.39-0exp1ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-xsltproc-1.1.39-0exp1ubuntu0.24.04.1.md) | Mar 13, 2025 |
| Linux | xsltproc Ubuntu 24.10 (oracular) | 1.1.39-0exp1ubuntu1.1 | [xsltproc 1.1.39-0exp1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-xsltproc-1.1.39-0exp1ubuntu1.1.md) | Mar 14, 2025 |
| Linux | xsltproc Ubuntu 25.04 (plucky) | 1.1.39-0exp1ubuntu3 | [xsltproc 1.1.39-0exp1ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-xsltproc-1.1.39-0exp1ubuntu3.md) | Mar 14, 2025 |

---

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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.