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Vulnerability DatabaseCVE-2022-34000

CVE-2022-34000: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2022-34000 is a vulnerability discovered in libjxl version 0.6.1, specifically involving an assertion failure in the LowMemoryRenderPipeline::Init() function located in renderpipeline/lowmemoryrenderpipeline.cc. The vulnerability was disclosed on June 19, 2022, affecting the JPEG XL image format reference implementation (NVD, MITRE).

Technical details

The vulnerability stems from an unnecessary assertion in the LowMemoryRenderPipeline::Init function. The assertion failure occurs at line 312 of lowmemoryrenderpipeline.cc with the condition 'firstimagedimstage == stages.size() || i >= firstimagedimstage' (GitHub Issue).

Impact

When exploited, this vulnerability can result in a denial of service (DoS) attack against the libjxl process through the use of specially crafted input files (Gentoo Security).

Mitigation and workarounds

The vulnerability has been fixed in libjxl version 0.7.0_pre20220825 and later releases. Users are advised to upgrade to the latest version to mitigate this security issue. For Debian systems, fixed versions are available in bookworm (0.7.0-10), trixie (0.10.4-2), and sid (0.11.1-3) releases (Debian Security).

Additional resources

Source: This report was generated using AI

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