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Vulnerability DatabaseCVE-2021-26945
CVE-2021-26945:
NixOS vulnerability analysis and mitigation
Overview
An integer overflow leading to a heap-buffer overflow vulnerability was discovered in OpenEXR versions prior to 3.0.1. This vulnerability is tracked as CVE-2021-26945 and was reported through the OSS-Fuzz project (NVD, Debian Tracker).
Technical details
The vulnerability is classified as an integer overflow that leads to a heap-buffer overflow condition. It received a CVSS v3.1 Base Score of 5.5 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. The issue was identified in the readDeepTile function within the OpenEXR codebase (Red Hat Bugzilla).
Impact
When exploited, this vulnerability could allow an attacker to crash an application that was compiled with OpenEXR. The impact is primarily limited to availability, with no direct impact on confidentiality or integrity (NVD).
Mitigation and workarounds
The vulnerability was fixed in OpenEXR version 3.0.1. Users are advised to upgrade to this version or later to mitigate the issue. The fix was implemented through a pull request that addressed the integer overflow condition (Red Hat Bugzilla).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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