CVE-2021-28276
NixOS vulnerability analysis and mitigation

Overview

A Denial of Service vulnerability was identified in jhead versions 3.04 and 3.05, specifically affecting the ProcessCanonMakerNoteDir function in makernote.c. The vulnerability was assigned CVE-2021-28276 and was discovered in March 2021 (MITRE CVE).

Technical details

The vulnerability manifests as a wild address read in the ProcessCanonMakerNoteDir function within makernote.c, which could lead to a denial of service condition. The issue affects jhead versions 3.04 and 3.05, with the vulnerability being addressed in version 3.06.0.1 (Debian Tracker).

Impact

The primary impact of this vulnerability is the potential for denial of service attacks against systems running affected versions of jhead (NVD).

Mitigation and workarounds

The vulnerability has been fixed in jhead version 3.06.0.1 and later releases. Users are advised to upgrade to the latest version to mitigate this security issue. For Gentoo users, the recommendation is to upgrade to version 3.06.0.1 or higher using the command 'emerge --ask --oneshot --verbose ">=media-gfx/jhead-3.06.0.1"' (Gentoo Advisory).

Additional resources


SourceThis report was generated using AI

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