High severity7.5NVD Advisory· Published Sep 15, 2025· Updated May 12, 2026
CVE-2025-59375
CVE-2025-59375
Description
libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
76cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*range: <2.7.2
- (no CPE)range: <2.7.2
- osv-coords74 versionspkg:rpm/almalinux/expatpkg:rpm/almalinux/expat-develpkg:rpm/almalinux/mingw32-expatpkg:rpm/almalinux/mingw32-fontconfigpkg:rpm/almalinux/mingw64-expatpkg:rpm/almalinux/mingw64-fontconfigpkg:rpm/almalinux/python3pkg:rpm/almalinux/python3.12pkg:rpm/almalinux/python3.12-debugpkg:rpm/almalinux/python3.12-develpkg:rpm/almalinux/python3.12-idlepkg:rpm/almalinux/python3.12-libspkg:rpm/almalinux/python3.12-rpm-macrospkg:rpm/almalinux/python3.12-testpkg:rpm/almalinux/python3.12-tkinterpkg:rpm/almalinux/python3-debugpkg:rpm/almalinux/python3-develpkg:rpm/almalinux/python3-idlepkg:rpm/almalinux/python3-libspkg:rpm/almalinux/python3-testpkg:rpm/almalinux/python3-tkinterpkg:rpm/almalinux/python-unversioned-commandpkg:rpm/opensuse/expat&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/expat&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/expat&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/suse/expat&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/expat&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/expat&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/expat&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/expat&distro=SUSE%20Manager%20Proxy%20LTS%204.3pkg:rpm/suse/expat&distro=SUSE%20Manager%20Server%20LTS%204.3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP7pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5
< 2.7.1-1.el10_0.3+ 73 more
- (no CPE)range: < 2.7.1-1.el10_0.3
- (no CPE)range: < 2.7.1-1.el10_0.3
- (no CPE)range: < 2.5.0-1.el8_10
- (no CPE)range: < 2.12.6-4.el8_10
- (no CPE)range: < 2.5.0-1.el8_10
- (no CPE)range: < 2.12.6-4.el8_10
- (no CPE)range: < 3.12.13-2.el10_2
- (no CPE)range: < 3.12.13-2.el8_10
- (no CPE)range: < 3.12.13-2.el8_10
- (no CPE)range: < 3.12.13-2.el8_10
- (no CPE)range: < 3.12.13-2.el8_10
- (no CPE)range: < 3.12.13-2.el8_10
- (no CPE)range: < 3.12.13-2.el8_10
- (no CPE)range: < 3.12.13-2.el8_10
- (no CPE)range: < 3.12.13-2.el8_10
- (no CPE)range: < 3.12.13-2.el10_2
- (no CPE)range: < 3.12.13-2.el10_2
- (no CPE)range: < 3.12.13-2.el10_2
- (no CPE)range: < 3.12.13-2.el10_2
- (no CPE)range: < 3.12.13-2.el10_2
- (no CPE)range: < 3.12.13-2.el10_2
- (no CPE)range: < 3.12.13-2.el10_2
- (no CPE)range: < 2.7.1-150400.3.31.1
- (no CPE)range: < 2.7.1-160000.3.1
- (no CPE)range: < 2.7.2-1.1
- (no CPE)range: < 140.9.0-1.1
- (no CPE)range: < 140.9.0-150200.152.225.1
- (no CPE)range: < 140.9.0-160000.1.1
- (no CPE)range: < 149.0-1.1
- (no CPE)range: < 140.9.0-150200.8.263.1
- (no CPE)range: < 140.9.0-1.1
- (no CPE)range: < 2.7.1-150000.3.39.1
- (no CPE)range: < 2.7.1-150000.3.39.1
- (no CPE)range: < 2.7.1-150400.3.31.1
- (no CPE)range: < 2.7.1-150400.3.31.1
- (no CPE)range: < 2.7.1-150400.3.31.1
- (no CPE)range: < 2.7.1-150400.3.31.1
- (no CPE)range: < 2.7.1-150000.3.39.1
- (no CPE)range: < 2.7.1-150000.3.39.1
- (no CPE)range: < 2.7.1-150400.3.31.1
- (no CPE)range: < 2.7.1-150400.3.31.1
- (no CPE)range: < 2.7.1-150400.3.31.1
- (no CPE)range: < 2.7.1-150400.3.31.1
- (no CPE)range: < 2.7.1-150700.3.6.1
- (no CPE)range: < 2.7.1-21.46.1
- (no CPE)range: < 2.7.1-150000.3.39.1
- (no CPE)range: < 2.7.1-150400.3.31.1
- (no CPE)range: < 2.7.1-150400.3.31.1
- (no CPE)range: < 2.7.1-160000.3.1
- (no CPE)range: < 2.7.1-150000.3.39.1
- (no CPE)range: < 2.7.1-150400.3.31.1
- (no CPE)range: < 2.7.1-150400.3.31.1
- (no CPE)range: < 2.7.1-160000.3.1
- (no CPE)range: < 2.7.1-21.46.1
- (no CPE)range: < 2.7.1-3.1
- (no CPE)range: < 2.7.1-slfo.1.1_3.1
- (no CPE)range: < 2.7.1-160000.3.1
- (no CPE)range: < 2.7.1-150400.3.31.1
- (no CPE)range: < 2.7.1-150400.3.31.1
- (no CPE)range: < 140.9.0-150200.152.225.1
- (no CPE)range: < 140.9.0-150200.152.225.1
- (no CPE)range: < 140.9.0-150200.152.225.1
- (no CPE)range: < 140.9.0-150200.152.225.1
- (no CPE)range: < 140.9.0-150200.152.225.1
- (no CPE)range: < 140.9.0-112.304.2
- (no CPE)range: < 140.9.0-150200.152.225.1
- (no CPE)range: < 140.9.0-150200.152.225.1
- (no CPE)range: < 140.9.0-150200.152.225.1
- (no CPE)range: < 140.9.0-160000.1.1
- (no CPE)range: < 140.9.0-150200.152.225.1
- (no CPE)range: < 140.9.0-150200.152.225.1
- (no CPE)range: < 140.9.0-150200.152.225.1
- (no CPE)range: < 140.9.0-160000.1.1
- (no CPE)range: < 140.9.0-112.304.2
Patches
Vulnerability mechanics
References
9- github.com/libexpat/libexpat/issues/1018nvdExploitIssue Tracking
- issues.oss-fuzz.com/issues/439133977nvdExploitIssue Tracking
- github.com/libexpat/libexpat/blob/676a4c531ec768732fac215da9730b5f50fbd2bf/expat/ChangesnvdProduct
- github.com/libexpat/libexpat/blob/R_2_7_2/expat/ChangesnvdProduct
- github.com/libexpat/libexpat/pull/1034nvdIssue Tracking
- www.openwall.com/lists/oss-security/2025/09/16/2nvd
- www.openwall.com/lists/oss-security/2026/05/01/5nvd
- cert-portal.siemens.com/productcert/html/ssa-082556.htmlnvd
- cert-portal.siemens.com/productcert/html/ssa-089022.htmlnvd
News mentions
1- Hitachi Energy ITT600 ExplorerCISA ICS Advisories