Null Pointer Dereference in Muhammara PDF Processing Module
CVE-2026-125107

7.5HIGH

Key Information:

Vendor

Julianhille

Status
Muhammarajs
Vendor
CVE Published:
9 November 2026

What is CVE-2026-125107?

A null pointer dereference vulnerability exists in the Muhammara PDF module, specifically within the PDFParser::CreateFilterForStream() function. This issue occurs when processing an untrusted PDF file that uses the LZWDecode filter but lacks the necessary EarlyChange key in the DecodeParms dictionary. Exploitation of this vulnerability can cause applications to crash, leading to a denial of service. It is recommended to upgrade to version 6.0.5 or later to mitigate this risk.

Affected Version(s)

MuhammaraJS < 6.0.5

References

https://github.com/julianhille/MuhammaraJS/security/advis...
x_refsource_CONFIRM
https://github.com/julianhille/MuhammaraJS/commit/a98c077...
x_refsource_MISC
https://github.com/julianhille/MuhammaraJS/releases/tag/6...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.