CVE-2020-11763
NixOS vulnerability analysis and mitigation

Overview

CVE-2020-11763 is a vulnerability discovered in OpenEXR before version 2.4.1. The issue involves an std::vector out-of-bounds read and write vulnerability, as demonstrated by ImfTileOffsets.cpp (NVD, GitHub Release).

Technical details

The vulnerability has been assigned 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 vulnerability requires local access and user interaction, but no privileges, and can affect system availability (NVD).

Impact

If exploited, this vulnerability could lead to arbitrary code execution when processing malformed EXR image files. The vulnerability affects system availability and could potentially result in denial of service (Debian Security, Ubuntu 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 operating system vendors have released security updates to address this vulnerability, including Ubuntu, Debian, and Apple (Ubuntu Security, Debian Security, Apple Security).

Additional resources


SourceThis report was generated using AI

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