CVE-2026-96889 librsvg - Use After Free

librsvg contains a use-after-free vulnerability caused by incorrect freeing of XML entities during processing of nested XML inclusions with duplicate entity declarations, letting attackers cause denial of service or remote code execution, exploit requires crafted SVG document.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.15% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Use After Free
Impact
Denial Of Service, Remote Code Execution
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
23 September 2026
Updated
15 October 2026
Weakness
CWE-416

Vendor fix

Update to the latest version of librsvg.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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