Muhammara PDF unknown vulnerability

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Muhammara (version unknown) and classified as problematic. Affected by this issue is an unknown function of the component PDF Handler. The manipulation with an unknown input leads to a unchecked return value to null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-690. The product does not check for an error after calling a function that can return with a NULL pointer if the function fails, which leads to a resultant NULL pointer dereference. Impacted is availability. CVE summarizes:

Muhammara is a node module with c/cpp bindings to modify PDF with JavaScript for node or electron. The package muhammara before 2.6.2 and from 3.0.0 and before 3.3.0, as well as all versions of muhammara's predecessor package hummus, are vulnerable to Denial of Service (DoS) when supplied with a maliciously crafted PDF file to be parsed. The issue has been patched in muhammara version 3.4.0 and the fix has been backported to version 2.6.2. As a workaround, do not process files from untrusted sources. If using hummus, replace the package with muhammara.

The weakness was released 11/28/2022 as GHSA-2r7v-cmch-5x26. The advisory is available at This vulnerability is handled as CVE-2022-41957 since 09/30/2022. The technical details are unknown and an exploit is not available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at

Entries connected to this vulnerability are available at VDB-178131, VDB-185176, VDB-185689 and VDB-185690.



CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.3
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub, Inc.): 🔍



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Class: Unchecked return value to null pointer dereference
CWE: CWE-690 / CWE-395

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Patch
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09/30/2022 🔍
11/28/2022 +59 days 🔍
11/28/2022 +0 days 🔍
11/28/2022 +0 days 🔍


Advisory: GHSA-2r7v-cmch-5x26
Status: Not defined

CVE: CVE-2022-41957 (🔍)
See also: 🔍


Created: 11/28/2022 08:48 PM
Changes: 11/28/2022 08:48 PM (48)
Complete: 🔍
Cache ID: 100:F29:40


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