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Vulnerability DatabaseCVE-2024-46657
CVE-2024-46657:
NixOS vulnerability analysis and mitigation
Overview
CVE-2024-46657 affects Artifex Software mupdf v1.24.9, specifically involving a segmentation fault vulnerability in the component /tools/pdfextract.c. The vulnerability was discovered and disclosed in December 2024 (NVD, CVE).
Technical details
The vulnerability exists in the pdfextract.c component of MuPDF and is related to a segmentation fault condition. The issue has been assigned a CVSS v3.1 Base Score of 5.5 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. The vulnerability is classified as CWE-120 (Buffer Copy without Checking Size of Input) (NVD).
Impact
When successfully exploited, this vulnerability allows attackers to cause a Denial of Service (DoS) condition through a crafted PDF file. The impact is primarily focused on system availability, with no direct impact on confidentiality or integrity (NVD).
Mitigation and workarounds
A fix has been implemented in the MuPDF codebase through commit b5c898a30f068b5342e8263a2cd5b9f0be291aac, which addresses the issue by properly declaring variables using fz_var to avoid stale values. Users should upgrade to a patched version of MuPDF (MuPDF Commit).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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