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Vulnerability record · CVE-2026-96889 · published 23 September 2026

CVE-2026-96889: Use after free vulnerability

A flaw was found in librsvg. When processing an SVG document containing nested XML inclusions (Xincludes) with duplicate entity declarations, a use-after-free error can occur. This vulnerability arises because the library incorrectly frees an XML entity that is still in use by the parser. An attacker could potentially exploit this to cause a denial of service or execute arbitrary code.

7.8 CVSS 3.1 High EPSS 0.13% · top 97.9% CWE-416 · Use after free Awaiting Analysis
7.8CVSS 3.1 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
25 Sep 2026Last modified by NVD

Description

A flaw was found in librsvg. When processing an SVG document containing nested XML inclusions (Xincludes) with duplicate entity declarations, a use-after-free error can occur. This vulnerability arises because the library incorrectly frees an XML entity that is still in use by the parser. An attacker could potentially exploit this to cause a denial of service or execute arbitrary code.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

LinkTags
https://access.redhat.com/security/cve/CVE-2026-96889
https://bugzilla.redhat.com/show_bug.cgi?id=2539279
https://crates.io/crates/librsvg
https://gitlab.gnome.org/GNOME/librsvg/-/work_items/1241
https://rustsec.org/advisories/RUSTSEC-2026-0305.html
https://gitlab.gnome.org/GNOME/librsvg/-/work_items/1241

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-96889), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.