CVE-2026-96889 — Librsvg: use-after-free when xml includes have duplicated entities

Affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9

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.

USN-8891-1 — librsvg vulnerability

Affected: Ubuntu:24.04:LTS: librsvg, Ubuntu:26.04:LTS: librsvg

It was discovered that librsvg incorrectly handled duplicate XML entity declarations while processing SVG documents containing nested XML inclusions. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

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CVE-2026-96889 — Librsvg: use-after-free when xml includes have duplicated entities

USN-8891-1 — librsvg vulnerability