Unrated severityNVD Advisory· Published Feb 18, 2022· Updated May 30, 2025
CVE-2022-25313
CVE-2022-25313
Description
In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
49- Expat/libexpatdescription
- Range: <2.4.5
- osv-coords47 versionspkg:rpm/almalinux/expatpkg:rpm/almalinux/expat-develpkg:rpm/almalinux/mingw32-expatpkg:rpm/almalinux/mingw64-expatpkg:rpm/opensuse/expat&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/expat&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/expat&distro=openSUSE%20Tumbleweedpkg:rpm/suse/expat&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/expat&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/expat&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Micro%205.0pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP2pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/expat&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/expat&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/expat&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/expat&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/expat&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/expat&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/expat&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 2.2.10-12.el9_0.2+ 46 more
- (no CPE)range: < 2.2.10-12.el9_0.2
- (no CPE)range: < 2.2.10-12.el9_0.2
- (no CPE)range: < 2.4.8-1.el8
- (no CPE)range: < 2.4.8-1.el8
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.4.4-150400.3.6.9
- (no CPE)range: < 2.4.6-1.1
- (no CPE)range: < 2.1.0-21.18.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.4.4-150400.3.6.9
- (no CPE)range: < 2.0.1-88.42.18.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.0.1-88.42.18.1
- (no CPE)range: < 2.1.0-21.18.1
- (no CPE)range: < 2.1.0-21.18.1
- (no CPE)range: < 2.1.0-21.18.1
- (no CPE)range: < 2.1.0-21.18.1
- (no CPE)range: < 2.1.0-21.18.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.1.0-21.18.1
- (no CPE)range: < 2.1.0-21.18.1
- (no CPE)range: < 2.1.0-21.18.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.1.0-21.18.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.2.5-3.15.1
- (no CPE)range: < 2.1.0-21.18.1
- (no CPE)range: < 2.1.0-21.18.1
- (no CPE)range: < 2.1.0-21.18.1
- (no CPE)range: < 2.1.0-21.18.1
Patches
Vulnerability mechanics
References
10- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/mitrevendor-advisoryx_refsource_FEDORA
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/mitrevendor-advisoryx_refsource_FEDORA
- security.gentoo.org/glsa/202209-24mitrevendor-advisoryx_refsource_GENTOO
- www.debian.org/security/2022/dsa-5085mitrevendor-advisoryx_refsource_DEBIAN
- www.openwall.com/lists/oss-security/2022/02/19/1mitremailing-listx_refsource_MLIST
- cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfmitrex_refsource_CONFIRM
- github.com/libexpat/libexpat/pull/558mitrex_refsource_MISC
- lists.debian.org/debian-lts-announce/2022/03/msg00007.htmlmitremailing-listx_refsource_MLIST
- security.netapp.com/advisory/ntap-20220303-0008/mitrex_refsource_CONFIRM
- www.oracle.com/security-alerts/cpuapr2022.htmlmitrex_refsource_MISC
News mentions
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