TI-2022-18755 Aliases CVE-2022-39381 GHSA-rcrx-fpjp-mfrw

Unchecked Return Value to NULL Pointer Dereference in PDFDocumentHandler.cpp

HIGH 72CWE-690Published 2022-11-02 · Updated 2025-04-22

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-476.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00894 59th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed MuhammaraJS (julianhille): 2.6.0muhammara (npm): 2.6.0+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
julianhille	MuhammaraJS	before 2.6.0	2.6.0	Patch available	CNA
—	muhammara (npm)	before 2.6.0	2.6.0	Patch available	GHSA-rcrx-fpjp-mfrw
—	hummus (npm)	before 1.0.111	1.0.111	Patch available	GHSA-rcrx-fpjp-mfrw

MuhammaraJS Vendorjulianhille Affected before 2.6.0 Fixed in 2.6.0 Patch available CNA
muhammara (npm) Vendor— Affected before 2.6.0 Fixed in 2.6.0 Patch available GHSA-rcrx-fpjp-mfrw
hummus (npm) Vendor— Affected before 1.0.111 Fixed in 1.0.111 Patch available GHSA-rcrx-fpjp-mfrw

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:muhammarajs_project:muhammarajs::::::node.js::*	up to 2.6.0	Vulnerable	Muhammarajs Project
cpe:2.3:a:pdfhummus:hummusjs::::::node.js::*	before 1.0.111	Vulnerable	Pdfhummus

cpe:2.3:a:muhammarajs_project:muhammarajs:*:*:*:*:*:node.js:*:* Versions up to 2.6.0 Vulnerable ·Muhammarajs Project
cpe:2.3:a:pdfhummus:hummusjs:*:*:*:*:*:node.js:*:* Versions before 1.0.111 Vulnerable ·Pdfhummus

Remediation

Fix · CNA MuhammaraJS (julianhille) Fixed in 2.6.0
Fix · GHSA-rcrx-fpjp-mfrw muhammara (npm) Fixed in 2.6.0 Advisory →
Fix · GHSA-rcrx-fpjp-mfrw hummus (npm) Fixed in 1.0.111 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2022-39381
2026-10-03 Alias added: GHSA-rcrx-fpjp-mfrw

References

Exploit 1

https://github.com/galkahana/HummusJS/issues/293

Patch 1

https://github.com/julianhille/MuhammaraJS/pull/194

Advisory 3

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences