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Vulnerability DatabaseCVE-2023-46362
CVE-2023-46362:
NixOS vulnerability analysis and mitigation
Overview
jbig2enc v0.28 was discovered to contain a heap-use-after-free vulnerability via jbig2enc_auto_threshold_using_hash in src/jbig2enc.cc. The vulnerability was disclosed on October 16, 2023 and assigned CVE-2023-46362. The affected component is the jbig2enc software, which is an encoder for JBIG2 format used for encoding bi-level (1 bpp) images (GitHub Issue).
Technical details
The vulnerability is a heap-use-after-free issue that occurs in the remove_templates function in src/jbig2enc.cc at line 248. The flaw is triggered when processing certain input through the jbig2enc_auto_threshold_using_hash function. According to the CVSS v3.1 scoring, this vulnerability has been rated as MEDIUM severity with a base score of 5.5 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) (NVD).
Impact
The vulnerability can lead to a Denial of Service (DoS) condition when exploited. The heap-use-after-free condition allows reading from already freed memory regions, which can cause the application to crash (GitHub Issue).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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