CVE search · CVE-2026-6653
CVE-2026-6653
high 7.0
Use After Free in libxml2's xmlParseInternalSubset from GNOME libxml2 version 2.9.11 to 2.11.0 allows a remote attacker to cause a denial-of-service via maliciously crafted XML input with improper entity resolution handling.
Details
- Status
- Analyzed
- Published
- Last changed
- Source
- security@ubuntu.com
Severity
| Version | Score | Vector | Source |
|---|---|---|---|
| CVSS 4.0 | high 7.0 | CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
security@ubuntu.comSecondary |
| CVSS 3.1 | critical 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
nvd@nist.govPrimary |
Affected products
Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.
- xmlsoft · libxml2
References
- https://bugs.launchpad.net/ubuntu/+source/libxml2/+bug/2141260ExploitIssue TrackingThird Party Advisory
- https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1058ExploitIssue TrackingPatch