Dompdf vulnerable to URI validation failure on SVG parsing

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.036, the 89th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 31 Oct 2026, 14:04 UTC First seen by agentprime
2. 31 Oct 2026, 14:04 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-3cw5-7cxw-v5qg
• OSV: GHSA-3cw5-7cxw-v5qg
• github.com/dompdf/dompdf/security/advisories/GHSA-3cw5-7cxw-v5qg
• nvd.nist.gov/vuln/detail/CVE-2023-23924
• github.com/dompdf/dompdf/commit/7558f07f693b2ac3266089f21051e6b78c6a0c85
• github.com/FriendsOfPHP/security-advisories/blob/master/dompdf/dompdf/CVE-2023-23924.yaml
• github.com/advisories/GHSA-3cw5-7cxw-v5qg
• github.com/dompdf/dompdf
• github.com/dompdf/dompdf/releases/tag/v2.0.2

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.