VulnerabilityDeferred
CVE-2025-49795
A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions.
HIGH 7.5EPSS 0.55%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.55% probability · 44th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-825
- Source
- secalert@redhat.com
References
- https://access.redhat.com/errata/RHSA-2025:10630
- https://access.redhat.com/errata/RHSA-2025:19020
- https://access.redhat.com/errata/RHSA-2026:7519
- https://access.redhat.com/security/cve/CVE-2025-49795
- https://bugzilla.redhat.com/show_bug.cgi?id=2372379
- https://gitlab.gnome.org/GNOME/libxml2/-/issues/932
- https://cert-portal.siemens.com/productcert/html/ssa-253495.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.