Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2020-11759
CVE-2020-11759:
NixOS vulnerability analysis and mitigation
Overview
CVE-2020-11759 affects OpenEXR versions before 2.4.1. The vulnerability stems from integer overflows in CompositeDeepScanLine::Data::handleDeepFrameBuffer and readSampleCountForLineBlock functions, which allows an attacker to write to an out-of-bounds pointer (NVD, OpenEXR Release).
Technical details
The vulnerability has a CVSS v3.1 Base Score of 5.5 (Medium) with vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. The issue is classified as CWE-190 (Integer Overflow or Wraparound). The vulnerability requires local access and user interaction, but no privileges, and can result in high availability impact (NVD).
Impact
If exploited, this vulnerability allows an attacker to write to an out-of-bounds pointer, which could lead to denial of service 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 should upgrade to this version or later. Multiple Linux distributions have released security updates including Ubuntu, Debian, and Gentoo (Ubuntu Notice, Debian Advisory, Gentoo Advisory).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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