CVE-2025-59375
libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.
CVE-2025-59375 is fixed in 50 products on 2 platforms, first by RHSA-2025:21030, released September 15, 2025. It is not reported as exploited. Patch Radar priority: High.
HighFixed on 2 platforms
CVSS
8.1
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0138
72nd percentile
This is a vulnerability in open source code and Apple Software is among the affected projects. The
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| macOS | |||
| Sequoia | 15.7.4 | Sequoia 15.7.4 | Feb 11, 2026 |
| Sonoma | 14.8.4 | Sonoma 14.8.4 | Feb 11, 2026 |
| Tahoe | 26.3 | Tahoe 26.3 | Feb 11, 2026 |
| Linux | |||
| MozillaFirefox · opensuse-leap 15.6 | 140.9.0-150200.152.225.1 | SUSE-SU-2026:1126-1 | Mar 27, 2026 |
| MozillaFirefox · opensuse-leap 16.0 | 140.9.0-160000.1.1 | OPENSUSE-SU-2026:20439-1 | Mar 27, 2026 |
| MozillaFirefox · sles 15.6 | 140.9.0-150200.152.225.1 | SUSE-SU-2026:1126-1 | Mar 27, 2026 |
| MozillaFirefox · sles 15.7 | 140.9.0-150200.152.225.1 | SUSE-SU-2026:1126-1 | Mar 27, 2026 |
| MozillaFirefox · sles 16.0 | 140.9.0-160000.1.1 | SUSE-SU-2026:20978-1 | Mar 27, 2026 |
| MozillaThunderbird · opensuse-leap 15.6 | 140.9.0-150200.8.263.1 | SUSE-SU-2026:1163-1 | Apr 1, 2026 |
| expat · Debian 12.15 (bookworm) | 2.5.0-1+deb12u5 | DEBIAN-CVE-2025-59375 | Sep 15, 2025 |
| expat · Debian 13.5 (trixie) | 2.8.2-1~deb13u1 | DEBIAN-CVE-2025-59375 | Sep 15, 2025 |
| expat · Debian 14 | 2.7.2-1 | DEBIAN-CVE-2025-59375 | Sep 15, 2025 |
| expat · RHEL 10 | 2.7.1-1.el10_1.3 | RHSA-2025:21030 | Sep 15, 2025 |
| expat · RHEL 8 | 0:2.5.0-1.el8_10 | RHSA-2025:21776 | Nov 19, 2025 |
| expat · RHEL 9 | 0:2.5.0-5.el9_7.1 | RHSA-2025:22175 | Nov 26, 2025 |
| expat · Ubuntu 24.04.5 LTS (noble) | 2.6.1-2ubuntu0.5 | expat 2.6.1-2ubuntu0.5 | Jun 21, 2026 |
| expat · Ubuntu 25.10 (questing) | 2.7.1-2ubuntu0.2 | expat 2.7.1-2ubuntu0.2 | Jan 29, 2026 |
| expat · almalinux 10 | 2.7.1-1.el10_1.3 | ALSA-2025:21030 | Nov 11, 2025 |
| expat · almalinux 8 | 2.5.0-1.el8_10 | ALSA-2025:21776 | Nov 19, 2025 |
| expat · almalinux 9 | 2.5.0-5.el9_7.1 | ALSA-2025:22175 | Nov 26, 2025 |
| expat · amzn 2023 | 2.6.3-1.amzn2023.0.3 | ALAS2023-2025-1196 | Sep 17, 2025 |
| expat · ol 10 | 0:2.7.1-1.el10_0.3 | ELSA-2025-19403 | Nov 2, 2025 |
| expat · ol 8 | 0:2.5.0-1.el8_10 | ELSA-2025-21776 | Nov 20, 2025 |
| expat · ol 9 | 0:2.5.0-5.el9_7.1 | ELSA-2025-22175 | Nov 26, 2025 |
| expat · opensuse-leap 15.6 | 2.7.1-150400.3.31.1 | SUSE-SU-2025:03624-1 | Oct 16, 2025 |
| expat · opensuse-leap 16.0 | 2.7.1-160000.3.1 | OPENSUSE-SU-2025:20055-1 | Nov 19, 2025 |
| expat · rocky 10 | 0:2.7.1-1.el10_0.3 | RLSA-2025:19403 | Nov 6, 2025 |
| expat · rocky 8 | 0:2.5.0-1.el8_10 | RLSA-2025:21776 | Nov 20, 2025 |
| expat · rocky 9 | 0:2.5.0-5.el9_7.1 | RLSA-2025:22175 | Nov 28, 2025 |
| expat · sles 15.6 | 2.8.5-150400.3.40.1 | SUSE-SU-2026:4623-1 | Nov 7, 2026 |
| expat · sles 15.7 | 2.8.5-150700.3.15.1 | SUSE-SU-2026:4619-1 | Nov 7, 2026 |
| expat · sles 16.0 | 2.7.1-160000.3.1 | SUSE-SU-2025:21006-1 | Nov 19, 2025 |
| expat-debuginfo · amzn 2023 | 2.6.3-1.amzn2023.0.3 | ALAS2023-2025-1196 | Sep 17, 2025 |
| expat-debugsource · amzn 2023 | 2.6.3-1.amzn2023.0.3 | ALAS2023-2025-1196 | Sep 17, 2025 |
| expat-devel · RHEL 8 | 0:2.5.0-1.el8_10 | RHSA-2025:21776 | Nov 19, 2025 |
| expat-devel · RHEL 9 | 0:2.5.0-5.el9_7.1 | RHSA-2025:22175 | Nov 26, 2025 |
| expat-devel · almalinux 10 | 2.7.1-1.el10_1.3 | ALSA-2025:21030 | Nov 11, 2025 |
| expat-devel · almalinux 8 | 2.5.0-1.el8_10 | ALSA-2025:21776 | Nov 19, 2025 |
| expat-devel · almalinux 9 | 2.5.0-5.el9_7.1 | ALSA-2025:22175 | Nov 26, 2025 |
| expat-devel · amzn 2023 | 2.6.3-1.amzn2023.0.3 | ALAS2023-2025-1196 | Sep 17, 2025 |
| expat-devel · ol 10 | 0:2.7.1-1.el10_0.3 | ELSA-2025-19403 | Nov 2, 2025 |
| expat-devel · ol 8 | 0:2.5.0-1.el8_10 | ELSA-2025-21776 | Nov 20, 2025 |
| expat-devel · ol 9 | 0:2.5.0-5.el9_7.1 | ELSA-2025-22175 | Nov 26, 2025 |
| expat-static · amzn 2023 | 2.6.3-1.amzn2023.0.3 | ALAS2023-2025-1196 | Sep 17, 2025 |
| firefox · amzn 2023 | 140.3.0-1.amzn2023.0.1 | ALAS2023-2025-1203 | Sep 19, 2025 |
| firefox-debuginfo · amzn 2023 | 140.3.0-1.amzn2023.0.1 | ALAS2023-2025-1203 | Sep 19, 2025 |
| firefox-debugsource · amzn 2023 | 140.3.0-1.amzn2023.0.1 | ALAS2023-2025-1203 | Sep 19, 2025 |
| firefox-esr · Debian 11.6 (bullseye) | 140.9.0esr-1~deb11u1 | DLA-4510-1 | Mar 26, 2026 |
| firefox-esr · Debian 12.15 (bookworm) | 140.9.0esr-1~deb12u1 | DSA-6178-1 | Mar 25, 2026 |
| firefox-esr · Debian 13.5 (trixie) | 140.9.0esr-1~deb13u1 | DSA-6178-1 | Mar 25, 2026 |
| firefox-esr · Debian 14 | 140.9.0esr-1 | DEBIAN-CVE-2025-59375 | Sep 15, 2025 |
| libexpat1 · Ubuntu 24.04.5 LTS (noble) | 2.6.1-2ubuntu0.5 | libexpat1 2.6.1-2ubuntu0.5 | Jun 21, 2026 |
| libexpat1 · Ubuntu 25.10 (questing) | 2.7.1-2ubuntu0.2 | libexpat1 2.7.1-2ubuntu0.2 | Jan 29, 2026 |
| mingw-expat · rocky 8 | 0:2.5.0-1.el8_10 | RLSA-2025:21974 | Nov 25, 2025 |
| mingw-fontconfig · rocky 8 | 0:2.12.6-4.el8_10 | RLSA-2026:3407 | Mar 3, 2026 |
| mingw32-expat · RHEL 8 | 0:2.5.0-1.el8_10 | RHSA-2025:21974 | Nov 24, 2025 |
| mingw32-expat · almalinux 8 | 2.5.0-1.el8_10 | ALSA-2025:21974 | Nov 24, 2025 |
| mingw32-expat · ol 8 | 0:2.5.0-1.el8_10 | ELSA-2025-21974 | Nov 25, 2025 |
| mingw32-fontconfig · RHEL 8 | 0:2.12.6-4.el8_10 | RHSA-2026:3407 | Mar 12, 2026 |
| mingw32-fontconfig · almalinux 8 | 2.12.6-4.el8_10 | ALSA-2026:3407 | Feb 26, 2026 |
| mingw32-fontconfig · ol 8 | 0:2.12.6-4.el8_10 | ELSA-2026-3407 | Feb 27, 2026 |
| mingw64-expat · RHEL 8 | 0:2.5.0-1.el8_10 | RHSA-2025:21974 | Nov 24, 2025 |
| mingw64-expat · almalinux 8 | 2.5.0-1.el8_10 | ALSA-2025:21974 | Nov 24, 2025 |
| mingw64-expat · ol 8 | 0:2.5.0-1.el8_10 | ELSA-2025-21974 | Nov 25, 2025 |
| mingw64-fontconfig · RHEL 8 | 0:2.12.6-4.el8_10 | RHSA-2026:3407 | Mar 12, 2026 |
| mingw64-fontconfig · almalinux 8 | 2.12.6-4.el8_10 | ALSA-2026:3407 | Feb 26, 2026 |
| mingw64-fontconfig · ol 8 | 0:2.12.6-4.el8_10 | ELSA-2026-3407 | Feb 27, 2026 |
| python-unversioned-command · almalinux 10 | 3.12.13-2.el10_2 | ALSA-2026:19064 | May 19, 2026 |
| python-unversioned-command · ol 10 | 0:3.12.13-2.0.1.el10_2 | ELSA-2026-19064 | Jul 8, 2026 |
| python3 · almalinux 10 | 3.12.13-2.el10_2 | ALSA-2026:19064 | May 19, 2026 |
| python3 · ol 10 | 0:3.12.13-2.0.1.el10_2 | ELSA-2026-19064 | Jul 8, 2026 |
| python3-debug · almalinux 10 | 3.12.13-2.el10_2 | ALSA-2026:19064 | May 19, 2026 |
| python3-debug · ol 10 | 0:3.12.13-2.0.1.el10_2 | ELSA-2026-19064 | Jul 8, 2026 |
| python3-devel · almalinux 10 | 3.12.13-2.el10_2 | ALSA-2026:19064 | May 19, 2026 |
| python3-devel · ol 10 | 0:3.12.13-2.0.1.el10_2 | ELSA-2026-19064 | Jul 8, 2026 |
| python3-idle · almalinux 10 | 3.12.13-2.el10_2 | ALSA-2026:19064 | May 19, 2026 |
| python3-idle · ol 10 | 0:3.12.13-2.0.1.el10_2 | ELSA-2026-19064 | Jul 8, 2026 |
| python3-libs · almalinux 10 | 3.12.13-2.el10_2 | ALSA-2026:19064 | May 19, 2026 |
| python3-libs · ol 10 | 0:3.12.13-2.0.1.el10_2 | ELSA-2026-19064 | Jul 8, 2026 |
| python3-test · almalinux 10 | 3.12.13-2.el10_2 | ALSA-2026:19064 | May 19, 2026 |
| python3-test · ol 10 | 0:3.12.13-2.0.1.el10_2 | ELSA-2026-19064 | Jul 8, 2026 |
| python3-tkinter · almalinux 10 | 3.12.13-2.el10_2 | ALSA-2026:19064 | May 19, 2026 |
| python3-tkinter · ol 10 | 0:3.12.13-2.0.1.el10_2 | ELSA-2026-19064 | Jul 8, 2026 |
| python3.12 · RHEL 10 | 3.12.13-2.el10_2 | RHSA-2026:19064 | Apr 10, 2026 |
| python3.12 · RHEL 8 | 0:3.12.13-2.el8_10 | RHSA-2026:10950 | Apr 30, 2026 |
| python3.12 · RHEL 9 | 0:3.12.13-2.el9_8 | RHSA-2026:19177 | Apr 30, 2026 |
| python3.12 · almalinux 8 | 3.12.13-2.el8_10 | ALSA-2026:10950 | Apr 27, 2026 |
| python3.12 · almalinux 9 | 3.12.13-2.el9_8 | ALSA-2026:19177 | May 19, 2026 |
| python3.12 · ol 8 | 0:3.12.13-2.el8_10 | ELSA-2026-10950 | Apr 27, 2026 |
| python3.12 · ol 9 | 0:3.12.13-2.0.1.el9_8 | ELSA-2026-19177 | Jun 12, 2026 |
| python3.12 · rocky 10 | 0:3.12.13-2.el10_2 | RLSA-2026:19064 | May 29, 2026 |
| python3.12 · rocky 8 | 0:3.12.13-2.el8_10 | RLSA-2026:10950 | Apr 28, 2026 |
| python3.12 · rocky 9 | 0:3.12.13-2.el9_8 | RLSA-2026:19177 | May 28, 2026 |
| python3.12-debug · RHEL 8 | 0:3.12.13-2.el8_10 | RHSA-2026:10950 | Apr 30, 2026 |
| python3.12-debug · RHEL 9 | 0:3.12.13-2.el9_8 | RHSA-2026:19177 | Apr 30, 2026 |
| python3.12-debug · almalinux 8 | 3.12.13-2.el8_10 | ALSA-2026:10950 | Apr 27, 2026 |
| python3.12-debug · almalinux 9 | 3.12.13-2.el9_8 | ALSA-2026:19177 | May 19, 2026 |
| python3.12-debug · ol 8 | 0:3.12.13-2.el8_10 | ELSA-2026-10950 | Apr 27, 2026 |
| python3.12-debug · ol 9 | 0:3.12.13-2.0.1.el9_8 | ELSA-2026-19177 | Jun 12, 2026 |
| python3.12-devel · RHEL 8 | 0:3.12.13-2.el8_10 | RHSA-2026:10950 | Apr 30, 2026 |
| python3.12-devel · RHEL 9 | 0:3.12.13-2.el9_8 | RHSA-2026:19177 | Apr 30, 2026 |
| python3.12-devel · almalinux 8 | 3.12.13-2.el8_10 | ALSA-2026:10950 | Apr 27, 2026 |
| python3.12-devel · almalinux 9 | 3.12.13-2.el9_8 | ALSA-2026:19177 | May 19, 2026 |
| python3.12-devel · ol 8 | 0:3.12.13-2.el8_10 | ELSA-2026-10950 | Apr 27, 2026 |
| python3.12-devel · ol 9 | 0:3.12.13-2.0.1.el9_8 | ELSA-2026-19177 | Jun 12, 2026 |
| python3.12-idle · RHEL 8 | 0:3.12.13-2.el8_10 | RHSA-2026:10950 | Apr 30, 2026 |
| python3.12-idle · RHEL 9 | 0:3.12.13-2.el9_8 | RHSA-2026:19177 | Apr 30, 2026 |
| python3.12-idle · almalinux 8 | 3.12.13-2.el8_10 | ALSA-2026:10950 | Apr 27, 2026 |
| python3.12-idle · almalinux 9 | 3.12.13-2.el9_8 | ALSA-2026:19177 | May 19, 2026 |
| python3.12-idle · ol 8 | 0:3.12.13-2.el8_10 | ELSA-2026-10950 | Apr 27, 2026 |
| python3.12-idle · ol 9 | 0:3.12.13-2.0.1.el9_8 | ELSA-2026-19177 | Jun 12, 2026 |
| python3.12-libs · RHEL 8 | 0:3.12.13-2.el8_10 | RHSA-2026:10950 | Apr 30, 2026 |
| python3.12-libs · RHEL 9 | 0:3.12.13-2.el9_8 | RHSA-2026:19177 | Apr 30, 2026 |
| python3.12-libs · almalinux 8 | 3.12.13-2.el8_10 | ALSA-2026:10950 | Apr 27, 2026 |
| python3.12-libs · almalinux 9 | 3.12.13-2.el9_8 | ALSA-2026:19177 | May 19, 2026 |
| python3.12-libs · ol 8 | 0:3.12.13-2.el8_10 | ELSA-2026-10950 | Apr 27, 2026 |
| python3.12-libs · ol 9 | 0:3.12.13-2.0.1.el9_8 | ELSA-2026-19177 | Jun 12, 2026 |
| python3.12-rpm-macros · RHEL 8 | 0:3.12.13-2.el8_10 | RHSA-2026:10950 | Apr 30, 2026 |
| python3.12-rpm-macros · almalinux 8 | 3.12.13-2.el8_10 | ALSA-2026:10950 | Apr 27, 2026 |
| python3.12-rpm-macros · ol 8 | 0:3.12.13-2.el8_10 | ELSA-2026-10950 | Apr 27, 2026 |
| python3.12-test · RHEL 8 | 0:3.12.13-2.el8_10 | RHSA-2026:10950 | Apr 30, 2026 |
| python3.12-test · RHEL 9 | 0:3.12.13-2.el9_8 | RHSA-2026:19177 | Apr 30, 2026 |
| python3.12-test · almalinux 8 | 3.12.13-2.el8_10 | ALSA-2026:10950 | Apr 27, 2026 |
| python3.12-test · almalinux 9 | 3.12.13-2.el9_8 | ALSA-2026:19177 | May 19, 2026 |
| python3.12-test · ol 8 | 0:3.12.13-2.el8_10 | ELSA-2026-10950 | Apr 27, 2026 |
| python3.12-test · ol 9 | 0:3.12.13-2.0.1.el9_8 | ELSA-2026-19177 | Jun 12, 2026 |
| python3.12-tkinter · RHEL 8 | 0:3.12.13-2.el8_10 | RHSA-2026:10950 | Apr 30, 2026 |
| python3.12-tkinter · RHEL 9 | 0:3.12.13-2.el9_8 | RHSA-2026:19177 | Apr 30, 2026 |
| python3.12-tkinter · almalinux 8 | 3.12.13-2.el8_10 | ALSA-2026:10950 | Apr 27, 2026 |
| python3.12-tkinter · almalinux 9 | 3.12.13-2.el9_8 | ALSA-2026:19177 | May 19, 2026 |
| python3.12-tkinter · ol 8 | 0:3.12.13-2.el8_10 | ELSA-2026-10950 | Apr 27, 2026 |
| python3.12-tkinter · ol 9 | 0:3.12.13-2.0.1.el9_8 | ELSA-2026-19177 | Jun 12, 2026 |
| thunderbird · Debian 11.6 (bullseye) | 1:140.9.0esr-1~deb11u1 | DLA-4511-1 | Mar 26, 2026 |
| thunderbird · Debian 12.15 (bookworm) | 1:140.9.0esr-1~deb12u1 | DSA-6179-1 | Mar 26, 2026 |
| thunderbird · Debian 13.5 (trixie) | 1:140.9.0esr-1~deb13u1 | DSA-6179-1 | Mar 26, 2026 |
| thunderbird · Debian 14 | 1:140.9.0esr-1 | DEBIAN-CVE-2025-59375 | Sep 15, 2025 |
| xmlrpc-c · amzn 2023 | 1.51.08-2.amzn2023.0.2 | ALAS2023-2025-1229 | Oct 27, 2025 |
| xmlrpc-c-apps · amzn 2023 | 1.51.08-2.amzn2023.0.2 | ALAS2023-2025-1229 | Oct 27, 2025 |
| xmlrpc-c-apps-debuginfo · amzn 2023 | 1.51.08-2.amzn2023.0.2 | ALAS2023-2025-1229 | Oct 27, 2025 |
| xmlrpc-c-c++ · amzn 2023 | 1.51.08-2.amzn2023.0.2 | ALAS2023-2025-1229 | Oct 27, 2025 |
| xmlrpc-c-c++-debuginfo · amzn 2023 | 1.51.08-2.amzn2023.0.2 | ALAS2023-2025-1229 | Oct 27, 2025 |
| xmlrpc-c-client · amzn 2023 | 1.51.08-2.amzn2023.0.2 | ALAS2023-2025-1229 | Oct 27, 2025 |
| xmlrpc-c-client++ · amzn 2023 | 1.51.08-2.amzn2023.0.2 | ALAS2023-2025-1229 | Oct 27, 2025 |
| xmlrpc-c-client++-debuginfo · amzn 2023 | 1.51.08-2.amzn2023.0.2 | ALAS2023-2025-1229 | Oct 27, 2025 |
| xmlrpc-c-client-debuginfo · amzn 2023 | 1.51.08-2.amzn2023.0.2 | ALAS2023-2025-1229 | Oct 27, 2025 |
| xmlrpc-c-debuginfo · amzn 2023 | 1.51.08-2.amzn2023.0.2 | ALAS2023-2025-1229 | Oct 27, 2025 |
| xmlrpc-c-debugsource · amzn 2023 | 1.51.08-2.amzn2023.0.2 | ALAS2023-2025-1229 | Oct 27, 2025 |
| xmlrpc-c-devel · amzn 2023 | 1.51.08-2.amzn2023.0.2 | ALAS2023-2025-1229 | Oct 27, 2025 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
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.