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Vulnerability DatabaseCVE-2021-28021

CVE-2021-28021: 
Linux Debian vulnerability analysis and mitigation

Overview

A buffer overflow vulnerability was identified in the stbi_extendreceive function within stb_image.h in stb version 2.26. The vulnerability could be triggered via a specially crafted JPEG file (NVD, Debian Security).

Technical details

The vulnerability exists in the stbi_extendreceive function implementation within stb_image.h. When processing JPEG files, a buffer overflow condition can occur, potentially leading to memory corruption. The issue was discovered in stb version 2.26 and affects the JPEG processing functionality (GitHub Issue).

Impact

The vulnerability could allow an attacker to cause a buffer overflow condition through a specially crafted JPEG file, potentially leading to memory corruption and program crashes. This affects applications that use the stb_image.h library for image processing (NVD).

Mitigation and workarounds

Multiple distributions have released security updates to address this vulnerability. Debian has released version 0.0~git20180212.15.e6afb9c-1+deb10u1 for Debian 10 (buster). Fedora has also issued updates for affected packages including CuraEngine, sdrpp, and usd (Debian LTS, Fedora Update).

Additional resources

Source: This report was generated using AI

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