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Public proof of conceptFix available

CVE-2022-41343

A public proof of concept exists; no exploitation attested.

  • Published2022-09-25
  • Fixed in2.0.1
  • WeaknessCWE-552

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

registerFont in FontMetrics.php in Dompdf before 2.0.1 allows remote file inclusion because a URI validation failure does not halt font registration, as demonstrated by a @font-face rule.

Timeline

dates in UTC
  1. 2022-09-2519:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-41343?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-41343?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Dompdf project dompdf
BranchAffectedFixed in
2.0< 2.0.12.0.1

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • dompdf/dompdfTuxCare:Packagistfrom 0.8.6 · fixed in 0.8.6-p1+tuxcare
  • dompdf/dompdfTuxCare:Packagistfrom v1.2.2 · fixed in 1.2.2-p1+tuxcare

Full record on NVD

Fix

  1. Update Dompdf project dompdf to 2.0.1

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedBKreisel/CVE-2022-41343
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2022-09-25
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-6x28-7h8c-chx4

Frequently asked questions

What is CVE-2022-41343?

registerFont in FontMetrics.php in Dompdf before 2.0.1 allows remote file inclusion because a URI validation failure does not halt font registration, as demonstrated by a @font-face rule.

Is CVE-2022-41343 actively exploited?

A proof-of-concept exploit exists for CVE-2022-41343, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2022-41343?

CVE-2022-41343 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

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Sources for this record