Description
A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions. This flaw allows an attacker to craft a malicious XML input to libxml2, leading to a denial of service.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GNOME | libxml2 | 2.10.0 – < 2.14.5 | 2.14.5 |
| Red Hat | Red Hat Enterprise Linux 10 | — | — |
| Red Hat | Red Hat JBoss Core Services 2.4.62.SP2 | — | — |
| Red Hat | Red Hat Hardened Images | — | — |
| Red Hat | Red Hat Enterprise Linux 6 | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | libxml2 | 2.14.5+dfsg-0.2 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | libxml2 +3 | 2.12.5-7.el10_0 | RHSA-2025:10630 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Hardened Images 1 | libxml2 +4 | 2.15.2-0.3.hum1 | RHSA-2026:7519 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | libxml2 +3 | 2.12.5-7.el10_0 | ALSA-2025:10630 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | libxml2 | 2.12.5-7.el10_0 | RLSA-2025:10630 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | libxml2 +1 | 2.12.10-150700.4.3.1 | SUSE-SU-2025:02260-1 |
| SLES 15 SP6 | libxml2 +1 | 2.10.3-150500.5.29.1 | SUSE-SU-2025:02314-1 |
| SLES 15 SP5 | libxml2 +1 | 2.10.3-150500.5.29.1 | SUSE-SU-2025:02314-1 |
| SLES 3 | libxml2-python | 2.10.3-150500.5.29.1 | SUSE-SU-2025:02314-1, SUSE-SU-2025:02260-1 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP5 | libxml2 +1 | 2.10.3-150500.5.29.1 | SUSE-SU-2025:02314-1 |
| SLE Micro 6.1 | libxml2 | 2.11.6-slfo.1.1_6.1 | SUSE-SU-2025:20607-1 |
| SLE Micro 6.0 | libxml2 | 2.11.6-10.1 | SUSE-SU-2025:20564-1 |
| SLE Micro 5.5 | libxml2 +1 | 2.10.3-150500.5.29.1 | SUSE-SU-2025:02314-1 |
| SLE HPC 15 SP5 | libxml2 +1 | 2.10.3-150500.5.29.1 | SUSE-SU-2025:02314-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libxml2 | 2.13.8-2.1 | openSUSE-SU-2025:15321-1 |
| openSUSE Leap 15.6 | libxml2 +1 | 2.10.3-150500.5.29.1 | SUSE-SU-2025:02314-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | libxml2 | 2.13.9-r0 | — |
| Alpine v3.23 | libxml2 | 2.13.9-r0 | — |
| Alpine v3.22 | libxml2 | 2.13.9-r0 | — |
| Alpine v3.21 | libxml2 | 2.13.9-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | libxml2 +3 | 2.10.4-1.amzn2023.0.12 | ALAS2023-2025-1103 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | libxml2 | 2.11.5-7 | — |
| Azure Linux 2 (CBL-Mariner) | libxml2 | 2.10.4-9 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | libxml2 +3 | 2.12.5-7.el10_0 | ELSA-2025-10630 |
Advisories 15
- WID-SEC-2026-2189 Dell PowerProtect Data Domain: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 2, 2026
- ALSA-2025:10630 Important: libxml2 security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2026:7519 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2025:10630 Red Hat Security Advisory: libxml2 security update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- WID-SEC-2025-1312 libxml2: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Sep 27, 2026
- ICSA-26-188-05 Siemens SINEC OS CISA ICS & IT advisories · Jul 7, 2026
- SSA-253495 SSA-253495: Multiple Vulnerabilities in SINEC OS before V4.0 Siemens ProductCERT · Jun 2, 2026
- openSUSE-SU-2025:15321-1 libxml2-2-2.13.8-2.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:20607-1 Security update for libxml2 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:02314-1 Security update for libxml2 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:20564-1 Security update for libxml2 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:02260-1 Security update for libxml2 SUSE / openSUSE Security Updates · Feb 4, 2026
- RLSA-2025:10630 Important: libxml2 security update Rocky Linux Security Advisories · Oct 8, 2025
- ALAS2023-2025-1103 Important: libxml2 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Aug 8, 2025
- ELSA-2025-10630 Important: libxml2 security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Jul 8, 2025
References
- RHSA-2025:10630 vendor-advisory
- RHSA-2025:19020 vendor-advisory
- RHSA-2026:7519 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2025-49795 vdb-entry
- RHBZ#2372379 issue-tracking
- https://gitlab.gnome.org/GNOME/libxml2/-/issues/932