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high · CVSS 7.8

CVE-2026-96889

Librsvg: use-after-free when xml includes have duplicated entities

Published 23 Sept 2026 · Source updated 5 Nov 2026 · Retrieved 2026-11-05 01:18 UTC

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What happened?

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.

Description supplied by CVE Program. Formatting is simplified; follow the original advisory for full details.

Affected software and versions

Source-provided software and version information
SoftwareVersion informationFixed version
glycin-loadersRed Hatunaffected: 0:1.0.1-1.el10_2.2 to < *See vendor advisory
librsvg2Red Hatunaffected: 0:2.57.1-9.el10_2.10 to < *See vendor advisory
librsvg2Red Hatunaffected: 0:2.57.1-9.el10_0.1 to < *See vendor advisory
glycin-loadersRed Hatunaffected: 0:1.0.1-1.el10_0.1 to < *See vendor advisory
librsvg2Red Hatunaffected: 0:2.40.20-1.el7_9.1 to < *See vendor advisory
librsvg2Red Hatunaffected: 0:2.42.7-6.el8_10 to < *See vendor advisory
librsvg2Red Hatunaffected: 0:2.42.7-4.el8_4.1 to < *See vendor advisory
librsvg2Red Hatunaffected: 0:2.42.7-4.el8_4.1 to < *See vendor advisory
librsvg2Red Hatunaffected: 0:2.42.7-4.el8_6.1 to < *See vendor advisory
librsvg2Red Hatunaffected: 0:2.42.7-4.el8_6.1 to < *See vendor advisory
librsvg2Red Hatunaffected: 0:2.42.7-4.el8_8.1 to < *See vendor advisory
librsvg2Red Hatunaffected: 0:2.42.7-4.el8_8.1 to < *See vendor advisory
librsvg2Red Hatunaffected: 0:2.50.7-3.el9_8.1 to < *See vendor advisory
librsvg2Red Hatunaffected: 0:2.50.7-1.el9_2.2 to < *See vendor advisory
librsvg2Red Hatunaffected: 0:2.50.7-3.el9_4.1 to < *See vendor advisory
librsvg2Red Hatunaffected: 0:2.50.7-3.el9_6.1 to < *See vendor advisory
rhai/base-image-tpu-rhel9Red Hatunaffected: 1793329706 to < *See vendor advisory
rhai/base-image-cpu-rhel9Red Hatunaffected: 1793329709 to < *See vendor advisory
rhai/base-image-spyre-rhel9Red Hatunaffected: 1793327611 to < *See vendor advisory
rhai/base-image-rocm-rhel9Red Hatunaffected: 1793329305 to < *See vendor advisory
rhai/base-image-cuda-rhel9Red Hatunaffected: 1793328358 to < *See vendor advisory
rhai/base-image-tpu-rhel9Red Hatunaffected: 1793330461 to < *See vendor advisory
rhai/base-image-cpu-rhel9Red Hatunaffected: 1793327311 to < *See vendor advisory
rhai/base-image-neuron-rhel9Red Hatunaffected: 1793329624 to < *See vendor advisory
rhai/base-image-spyre-rhel9Red Hatunaffected: 1793326217 to < *See vendor advisory
rhai/base-image-gaudi-rhel9Red Hatunaffected: 1793327499 to < *See vendor advisory
rhai/base-image-rocm-6.4-rhel9Red Hatunaffected: 1793329011 to < *See vendor advisory
rhai/base-image-cuda-13.0-rhel9Red Hatunaffected: 1793326837 to < *See vendor advisory
rhai/base-image-cuda-12.9-rhel9Red Hatunaffected: 1793326796 to < *See vendor advisory
rhai/base-image-rocm-7.1-rhel9Red Hatunaffected: 1793330096 to < *See vendor advisory
rhai/base-image-neuron-rhel9Red Hatunaffected: 1793326392 to < *See vendor advisory
rhai/base-image-tpu-rhel9Red Hatunaffected: 1793328643 to < *See vendor advisory
rhai/base-image-gaudi-rhel9Red Hatunaffected: 1793327512 to < *See vendor advisory
rhai/base-image-cpu-rhel9Red Hatunaffected: 1793330940 to < *See vendor advisory
rhai/base-image-rubin-rhel9Red Hatunaffected: 1793329296 to < *See vendor advisory
rhai/base-image-cuda-13.0-rhel9Red Hatunaffected: 1793329271 to < *See vendor advisory
rhai/base-image-rocm-7.14-rhel9Red Hatunaffected: 1793326530 to < *See vendor advisory
rhai/base-image-spyre-rhel9Red Hatunaffected: 1793330882 to < *See vendor advisory
rhai/base-image-cuda-12.9-rhel9Red Hatunaffected: 1793327660 to < *See vendor advisory
librsvg2Red HatDefault status: unknownSee vendor advisory

Version information comes from the source record and can include unaffected products and exceptions. Distribution packages may contain backported fixes: an older upstream version alone does not prove a server is affected.

Is it being exploited?

This CVE was not listed in the CISA catalogue at our last retrieval. This does not establish that exploitation is absent.

CISA data retrieved 2026-11-06 16:38 UTC. Check CISA ↗

How to respond

  1. Confirm the product, installed package version, and any configuration requirements in the vendor advisory.
  2. Follow the vendor’s remediation or workaround guidance in the references below. Structured fixed-version data is unavailable here; the publisher’s description may include a fix or workaround.
  3. Restart affected services if required, then verify the running version. Known exploitation may warrant investigation as well as patching.

Sources and remediation references

This public advisory does not determine whether a particular server is affected. Records are refreshed as sources change; verify urgent decisions against the original advisory.

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