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Public proof of conceptFix available

CVE-2022-39381

A public proof of concept exists; no exploitation attested.

  • Published2022-11-02
  • WeaknessCWE-476 · CWE-690

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

Muhammara is a node module with c/cpp bindings to modify PDF with js for node or electron (based/replacement on/of galkhana/hummusjs). The package muhammara before 2.6.0; all versions of package hummus are vulnerable to Denial of Service (DoS) when supplied with a maliciously crafted PDF file to be appended to another. This issue has been patched in 2.6.0 for muhammara and not at all for hummus. As a workaround, do not process files from untrusted sources.

Timeline

dates in UTC
  1. 2022-11-0215:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 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-2022-39381?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-39381?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Muhammarajs project muhammarajs
BranchAffectedFixed in
2.6≤ 2.6.0no fix published
Pdfhummus hummusjs
BranchAffectedFixed in
1.0< 1.0.1111.0.111
muhammara
BranchAffectedFixed in
2.6< 2.6.02.6.0

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

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionpoc2025-04-22
  • OpenCVESSVC decisionpoc—
  • CNACVSS 3.17.5read 2026-10-23
  • NVDCVSS 3.15.5read 2026-10-23
  • CNAweakness (CWE)CWE-690read 2026-10-23
  • NVDweakness (CWE)CWE-476read 2026-10-23
  • FIRST EPSSEPSS score0.8 %2026-10-23
  • OSVaffected packages—

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published
2022-11-02
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2022-39381?

Muhammara is a node module with c/cpp bindings to modify PDF with js for node or electron (based/replacement on/of galkhana/hummusjs). The package muhammara before 2.6.0; all versions of package hummus are vulnerable to Denial of Service (DoS) when supplied with a maliciously crafted PDF file to be appended to another. This issue has been patched in 2.6.0 for muhammara and not at all for hummus. As a workaround, do not process files from untrusted sources.

Is CVE-2022-39381 actively exploited?

A proof-of-concept exploit exists for CVE-2022-39381, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2022-39381?

CVE-2022-39381 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

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