CVE-2023-23924: Dompdf vulnerable to URI validation failure on SVG parsing

critical Affects dompdf/dompdf. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

Dompdf vulnerable to URI validation failure on SVG parsing

Package
dompdf/dompdf Composer
Affected versions
<2.0.2
Fixed in
2.0.2
Severity
critical  CVSS 10.0
Exploitation
not on CISA KEV · EPSS 4% (89.3th percentile)
Published
2023-02-01
Source
osv.dev

References

CWE-551CWE-863
NVD recorddompdf/dompdf advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
pipx install phpwarden   &&   phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs   How findings are ranked

Related advisories