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Vulnerability DatabaseCVE-2023-37837

CVE-2023-37837: 
NixOS vulnerability analysis and mitigation

Overview

libjpeg commit db33a6e contains a heap buffer overflow vulnerability (CVE-2023-37837) in the LineBitmapRequester::EncodeRegion function at linebitmaprequester.cpp. The vulnerability was discovered and disclosed on July 13, 2023, affecting libjpeg versions up to (excluding) 1.66 (NVD, Debian).

Technical details

The vulnerability is classified with a CVSS v3.1 Base Score of 6.5 (Medium), with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. The issue specifically occurs in the LineBitmapRequester::EncodeRegion function within linebitmaprequester.cpp, where a heap buffer overflow can be triggered during image processing (NVD).

Impact

When exploited, this vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted file. The impact primarily affects the availability of the system, with no direct impact on confidentiality or integrity (NVD, Ubuntu).

Mitigation and workarounds

The vulnerability has been fixed in libjpeg version 0.0~git20241105.c719010-1. Users are advised to upgrade to this version or later. For Debian-based systems, the fix is available in the sid and trixie releases, while bullseye and bookworm releases remain vulnerable (Debian).

Additional resources

Source: This report was generated using AI

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