Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2020-11761
CVE-2020-11761:
NixOS vulnerability analysis and mitigation
Overview
CVE-2020-11761 is a security vulnerability discovered in OpenEXR before version 2.4.1. The vulnerability involves an out-of-bounds read during Huffman uncompression, specifically in the FastHufDecoder::refill function in ImfFastHuf.cpp (NVD, OpenEXR Changes).
Technical details
The vulnerability is classified as a buffer overflow issue with 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 occurs during Huffman decompression when the FastHufDecoder::refill function performs an out-of-bounds read operation (NVD).
Impact
If exploited, this vulnerability could lead to a denial of service condition or potentially arbitrary code execution when processing malformed EXR image files (Debian Security).
Mitigation and workarounds
The vulnerability was fixed in OpenEXR version 2.4.1. Users are advised to upgrade to this version or later. Multiple vendors have released security updates including Ubuntu, Debian, Red Hat, and Apple to address this vulnerability (Ubuntu Security, Apple Security).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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