Description
An issue was discovered in libexpat before 2.6.4. There is a crash within the XML_ResumeParser function because XML_StopParser can stop/suspend an unstarted parser.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | expat | 2.6.3-2 | — |
| Debian 13 | expat | 2.6.3-2 | — |
| Debian 12 | expat | 2.5.0-1+deb12u2 | — |
| Debian 12 | libxmltok | No fix yet | — |
| Debian 11 | expat | 2.2.10-2+deb11u7 | DLA-4145-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | tdom +5 | No fix yet | — |
| Ubuntu 26.04 LTS | tdom +4 | No fix yet | — |
| Ubuntu 25.10 | tdom +5 | No fix yet | — |
| Ubuntu 24.04 LTS | expat | 2.6.1-2ubuntu0.2 | USN-7145-1 |
| Ubuntu 24.04 LTS | tdom +3 | No fix yet | — |
| Ubuntu 22.04 LTS | expat | 2.4.7-1ubuntu0.5 | USN-7145-1 |
| Ubuntu 22.04 LTS | tdom +4 | No fix yet | — |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | expat | 2.2.9-1ubuntu0.8 | USN-7145-1 |
| Ubuntu 20.04 LTS | tdom +4 | No fix yet | — |
| Ubuntu 18.04 LTS | gdcm +7 | No fix yet | — |
| Ubuntu 16.04 LTS | gdcm +6 | No fix yet | — |
| Ubuntu Pro 26.04 LTS | swish-e | No fix yet | — |
| Ubuntu Pro 24.04 LTS | swish-e +1 | No fix yet | — |
| Ubuntu Pro 22.04 LTS | swish-e +1 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | swish-e +1 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | coin3 +2 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | expat | 2.2.5-3ubuntu0.9+esm2 | USN-7145-1 |
| Ubuntu Pro 16.04 LTS | expat | 2.1.0-7ubuntu0.16.04.5+esm10 | USN-7145-1 |
| Ubuntu Pro 16.04 LTS | vtk +6 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | expat | 2.1.0-4ubuntu1.4+esm10 | USN-7145-1 |
| Ubuntu Pro 14.04 LTS | vtk +3 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | expat +1 | 2.5.0-3.el9_5.1 | RHSA-2024:9541 |
| RHEL 8 | expat +1 | 2.2.5-16.el8_10 | RHSA-2024:9502 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.4 EUS | expat +1 | 2.5.0-2.el9_4.2 | RHSA-2024:11200 |
| RHEL 9.2 EUS | expat +1 | 2.5.0-1.el9_2.2 | RHSA-2025:3350 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | expat +1 | 2.5.0-3.el9_5.1 | ALSA-2024:9541 |
| AlmaLinux 8 | expat +1 | 2.2.5-16.el8_10 | ALSA-2024:9502 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | expat | 2.2.5-16.el8_10 | RLSA-2024:9502 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | mozjs52 | 52.6.0-150000.3.9.1 | SUSE-SU-2025:4512-1 |
| SLES 15 SP7 | mozjs60 | 60.9.0-150200.6.8.1 | SUSE-SU-2026:0044-1 |
| SLES 15 SP6 | expat | 2.4.4-150400.3.25.1 | SUSE-SU-2024:4035-1 |
| SLES 15 SP6 | mozjs115 | 115.4.0-150600.3.6.1 | SUSE-SU-2024:4411-1 |
| SLES 15 SP6 | mozjs78 | 78.15.0-150400.3.11.1 | SUSE-SU-2024:4412-1 |
| SLES 15 SP6 | python3-wxPython | 4.1.1-150400.10.1 | SUSE-SU-2024:3997-1 |
| SLES 15 SP5 | expat | 2.4.4-150400.3.25.1 | SUSE-SU-2024:4035-1 |
| SLES 15 SP5 | mozjs78 | 78.15.0-150400.3.11.1 | SUSE-SU-2024:4412-1 |
| SLES 15 SP5 | python3-wxPython | 4.1.1-150400.10.1 | SUSE-SU-2024:3997-1 |
| SLES 12 SP5 | expat | 2.1.0-21.40.1 | SUSE-SU-2024:3968-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE Micro 6.1 | expat | 2.5.0-slfo.1.1_2.1 | SUSE-SU-2025:20311-1, SUSE-SU-2025:20258-1 |
| SLE Micro 6.0 | expat | 2.5.0-4.1 | SUSE-SU-2025:20207-1, SUSE-SU-2025:20086-1 |
| SLE Micro 5.5 | expat | 2.4.4-150400.3.25.1 | SUSE-SU-2024:4035-1 |
| SLE Micro 5.4 | expat | 2.4.4-150400.3.25.1 | SUSE-SU-2024:4035-1 |
| SLE Micro 5.4 | mozjs60 | 60.9.0-150200.6.8.1 | SUSE-SU-2026:0044-1 |
| SLE Micro 5.3 | expat | 2.4.4-150400.3.25.1 | SUSE-SU-2024:4035-1 |
| SLE Micro 5.3 | mozjs60 | 60.9.0-150200.6.8.1 | SUSE-SU-2026:0044-1 |
| SLE Micro 5.2 | expat | 2.2.5-150000.3.33.1 | SUSE-SU-2024:3966-1 |
| SLE Micro 5.2 | mozjs60 | 60.9.0-150200.6.8.1 | SUSE-SU-2026:0044-1 |
| SLE Micro 5.1 | expat | 2.2.5-150000.3.33.1 | SUSE-SU-2024:3966-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | audacity | 3.7.0-1.1 | openSUSE-SU-2024:14457-1 |
| openSUSE Tumbleweed | expat | 2.6.4-1.1 | openSUSE-SU-2024:14477-1 |
| openSUSE Tumbleweed | gama | 2.31-1.1 | openSUSE-SU-2024:14444-1 |
| openSUSE Tumbleweed | mozjs115 | 115.15.0-3.1 | openSUSE-SU-2024:14587-1 |
| openSUSE Tumbleweed | mozjs128 | 128.5.1-2.1 | openSUSE-SU-2024:14588-1 |
| openSUSE Tumbleweed | mozjs78 | 78.15.0-7.1 | openSUSE-SU-2024:14589-1 |
| openSUSE Tumbleweed | paraview | 5.12.1-2.1 | openSUSE-SU-2024:14609-1 |
| openSUSE Tumbleweed | xsd | 4.1.0-3.1 | openSUSE-SU-2024:14443-1 |
| openSUSE Leap 15.6 | expat | 2.4.4-150400.3.25.1 | SUSE-SU-2024:4035-1 |
| openSUSE Leap 15.6 | mozjs115 | 115.4.0-150600.3.6.1 | SUSE-SU-2024:4411-1 |
| openSUSE Leap 15.6 | mozjs52 | 52.6.0-150000.3.9.1 | SUSE-SU-2025:4512-1 |
| openSUSE Leap 15.6 | mozjs60 | 60.9.0-150200.6.8.1 | SUSE-SU-2026:0044-1 |
| openSUSE Leap 15.6 | mozjs78 | 78.15.0-150400.3.11.1 | SUSE-SU-2024:4412-1 |
| openSUSE Leap 15.6 | python3-wxPython | 4.1.1-150400.10.1 | SUSE-SU-2024:3997-1 |
| openSUSE Leap 15.6 | python311-wxPython | 4.1.1-150400.3.8.1 | SUSE-SU-2024:3964-1 |
| openSUSE Leap 15.5 | expat | 2.4.4-150400.3.25.1 | SUSE-SU-2024:4035-1 |
| openSUSE Leap 15.5 | mozjs78 | 78.15.0-150400.3.11.1 | SUSE-SU-2024:4412-1 |
| openSUSE Leap 15.5 | python3-wxPython | 4.1.1-150400.10.1 | SUSE-SU-2024:3997-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.5 | expat | 2.4.4-150400.3.25.1 | SUSE-SU-2024:4035-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | expat | 2.6.4-r0 | — |
| Alpine v3.24 | qt6-qtwebengine | 6.8.3-r1 | — |
| Alpine v3.23 | expat | 2.6.4-r0 | — |
| Alpine v3.23 | qt6-qtwebengine | 6.8.3-r1 | — |
| Alpine v3.22 | expat | 2.6.4-r0 | — |
| Alpine v3.22 | qt6-qtwebengine | 6.8.3-r1 | — |
| Alpine v3.21 | expat | 2.6.4-r0 | — |
| Alpine v3.20 | expat | 2.6.4-r0 | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | expat | 2.6.4-r0 | — |
| Alpine v3.18 | expat | 2.6.4-r0 | — |
| Alpine v3.17 | expat | 2.6.4-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | expat +2 | 2.6.3-1.amzn2023.0.2 | ALAS2023-2025-793 |
| Amazon Linux 2 | expat +2 | 2.1.0-15.amzn2.0.5 | ALAS2-2025-2774 |
| Amazon Linux 2 | thunderbird | 128.8.1-1.amzn2.0.4 | ALAS2-2025-2830 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | expat | 2.6.3-2 | — |
| Azure Linux 2 (CBL-Mariner) | expat | 2.6.3-2 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | expat +1 | 2.5.0-3.el9_5.1 | ELSA-2024-9541 |
| Oracle Linux 8 | expat +1 | 2.2.5-16.0.1.el8_10 | ELSA-2024-9502 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | expat | 2.6.4-r0 | — |
| Wolfi rolling | python-3.10 | 3.10.16-r0 | — |
| Wolfi rolling | python-3.11 | 3.11.11-r0 | — |
| Wolfi rolling | python-3.12 | 3.12.8-r0 | — |
| Wolfi rolling | python-3.13 | 3.13.1-r0 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
MaineK00n/vulncheck_CVE-2024-50602 ★ 0 · Feb 3, 2026
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 50
- ALSA-2024:9541 Moderate: expat security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2024:9502 Moderate: expat security update AlmaLinux Security Advisories · Oct 29, 2026
- SSA-398330 SSA-398330: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP >= V3.1.0 and < V3.1.5 Siemens ProductCERT · Oct 13, 2026
- WID-SEC-2024-3281 expat: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Sep 15, 2026
- WID-SEC-2025-0823 Oracle Communications: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026
- WID-SEC-2025-0148 Oracle Communications: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026
- RHSA-2025:3350 Red Hat Security Advisory: expat security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2024:11200 Red Hat Security Advisory: expat security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2024:9541 Red Hat Security Advisory: expat security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-7145-1 expat vulnerability Ubuntu Security Notices (USN) · Jun 25, 2026
- SUSE-SU-2025:4512-1 Security update for mozjs52 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:20311-1 Security update for expat SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:20258-1 Security update for expat SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:20207-1 Security update for expat SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:20086-1 Security update for expat SUSE / openSUSE Security Updates · Mar 23, 2026
- RHSA-2024:9502 Red Hat Security Advisory: expat security update Red Hat Security Advisories (RHSA) · Mar 18, 2026
- DLA-4145-1 expat - security update Debian Security (DSA / DLA) · Mar 9, 2026
- ICSA-25-226-07 Siemens Third-Party Components in SINEC OS CISA ICS & IT advisories · Feb 25, 2026
- SSA-355557 SSA-355557: Multiple Vulnerabilities in Third-Party Components in SINEC OS before V3.2 Siemens ProductCERT · Feb 24, 2026
- RLSA-2024:9502 Moderate: expat security update Rocky Linux Security Advisories · Feb 5, 2026
- SUSE-SU-2026:0044-1 Security update for mozjs60 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14444-1 gama-2.31-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:4412-1 Security update for mozjs78 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14457-1 audacity-3.7.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3968-1 Security update for expat SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14477-1 expat-2.6.4-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:4035-1 Security update for expat SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:4411-1 Security update for mozjs115 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14443-1 xsd-4.1.0-3.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14588-1 libmozjs-128-0-128.5.1-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14587-1 libmozjs-115-0-115.15.0-3.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3966-1 Security update for expat SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3964-1 Security update for python-wxPython SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14609-1 libparaview5_12-5.12.1-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- NCSC-2025-0382 Kwetsbaarheden verholpen in Siemens producten NCSC-NL (Netherlands) · Dec 9, 2025
- SSA-202008 SSA-202008: Multiple Vulnerabilities in Ruggedcom Rox Before V2.17.0 Siemens ProductCERT · Dec 9, 2025
- ICSA-23-348-10 Siemens SIMATIC S7-1500 CISA ICS & IT advisories · Aug 12, 2025
- VDE-2025-053 Phoenix Contact: Multiple Vulnerabilities in PLCnext Firmware CERT@VDE · Jul 8, 2025
- openSUSE-SU-2024:14589-1 libmozjs-78-0-78.15.0-7.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
- SUSE-SU-2024:3997-1 Security update for python3-wxPython SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2025-0859 Tenable Security Nessus: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 21, 2025
- NCSC-2025-0128 Kwetsbaarheden verholpen in Oracle Fusion Middleware NCSC-NL (Netherlands) · Apr 16, 2025
- ALAS2-2025-2830 Moderate: thunderbird security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Apr 16, 2025
- NCSC-2025-0124 Kwetsbaarheden verholpen in Oracle Communications NCSC-NL (Netherlands) · Apr 16, 2025
- WID-SEC-2025-0824 Oracle Communications Applications: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 15, 2025
- WID-SEC-2025-0818 Oracle Fusion Middleware: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 15, 2025
- ALAS2-2025-2774 Moderate: expat security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Mar 7, 2025
- NCSC-2025-0021 Kwetsbaarheden verholpen in Oracle Communications NCSC-NL (Netherlands) · Jan 22, 2025
- ALAS2023-2025-793 Moderate: expat security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Jan 9, 2025
- ELSA-2024-9541 Moderate: expat security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 18, 2024