Medium severity4.0NVD Advisory· Published Mar 16, 2026· Updated Jul 14, 2026
CVE-2026-32776
CVE-2026-32776
Description
libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
32cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*range: <2.7.5
- (no CPE)range: <2.7.5
- (no CPE)range: 0
- osv-coords29 versionspkg:apk/chainguard/expatpkg:apk/wolfi/expatpkg:rpm/opensuse/expat&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/expat&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/expat&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/mozjs115&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/mozjs140&distro=openSUSE%20Tumbleweedpkg: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%205.2pkg: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%20SP7pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-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%2015%20SP6-LTSSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg: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%2015%20SP6pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg: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%206.2
< 2.7.5-r0+ 28 more
- (no CPE)range: < 2.7.5-r0
- (no CPE)range: < 2.7.5-r0
- (no CPE)range: < 2.7.1-150400.3.37.1
- (no CPE)range: < 2.7.1-160000.5.1
- (no CPE)range: < 2.7.5-1.1
- (no CPE)range: < 115.15.0-8.1
- (no CPE)range: < 140.10.0-1.1
- (no CPE)range: < 2.7.1-150400.3.37.1
- (no CPE)range: < 2.7.1-150400.3.37.1
- (no CPE)range: < 2.7.1-150400.3.37.1
- (no CPE)range: < 2.7.1-150400.3.37.1
- (no CPE)range: < 2.7.1-150000.3.45.1
- (no CPE)range: < 2.7.1-150400.3.37.1
- (no CPE)range: < 2.7.1-150400.3.37.1
- (no CPE)range: < 2.7.1-150400.3.37.1
- (no CPE)range: < 2.7.1-150700.3.12.1
- (no CPE)range: < 2.7.1-21.52.1
- (no CPE)range: < 2.7.1-150400.3.37.1
- (no CPE)range: < 2.7.1-150400.3.37.1
- (no CPE)range: < 2.7.1-150400.3.37.1
- (no CPE)range: < 2.7.1-160000.5.1
- (no CPE)range: < 2.7.1-21.52.1
- (no CPE)range: < 2.7.1-150400.3.37.1
- (no CPE)range: < 2.7.1-150400.3.37.1
- (no CPE)range: < 2.7.1-150400.3.37.1
- (no CPE)range: < 2.7.1-160000.5.1
- (no CPE)range: < 2.7.1-5.1
- (no CPE)range: < 2.7.1-slfo.1.1_5.1
- (no CPE)range: < 2.7.1-160000.5.1
Patches
Vulnerability mechanics
References
3- github.com/libexpat/libexpat/pull/1158nvdIssue TrackingPatch
- github.com/libexpat/libexpat/pull/1159nvdIssue TrackingPatch
- cert-portal.siemens.com/productcert/html/ssa-082556.htmlnvd
News mentions
1- Hitachi Energy RTU500CISA ICS Advisories