Libxml: null pointer dereference leads to denial of service (dos)
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.5%
exploitation probability
0.5%top 61% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
GNOME · libxml2Red Hat · Red Hat Enterprise Linux 10Red Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Hardened ImagesRed Hat · Red Hat JBoss Core Services 2.4.62.SP2References
https://access.redhat.com/errata/RHSA-2025:10630https://access.redhat.com/errata/RHSA-2025:19020https://access.redhat.com/errata/RHSA-2026:7519https://access.redhat.com/security/cve/CVE-2025-49795https://bugzilla.redhat.com/show_bug.cgi?id=2372379https://cert-portal.siemens.com/productcert/html/ssa-253495.htmlhttps://gitlab.gnome.org/GNOME/libxml2/-/issues/932