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Vulnerability DatabaseCVE-2020-19499
CVE-2020-19499:
NixOS vulnerability analysis and mitigation
Overview
CVE-2020-19499 affects libheif version 1.4.0, specifically in the heif::Box_iref::get_references function. The vulnerability was discovered and disclosed in July 2021, impacting the libheif image format handling library (NVD).
Technical details
The vulnerability is classified as an invalid memory read issue in the heif::Box_iref::get_references function within libheif 1.4.0. The CVSS v3.1 base score is 8.8 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The vulnerability is categorized as CWE-125 (Out-of-bounds Read) (NVD).
Impact
The vulnerability allows attackers to cause a Denial of Service condition or potentially achieve other unspecified impacts through an invalid memory read operation (NVD).
Mitigation and workarounds
A patch has been released to handle cases where referenced iref box doesn't exist, preventing the invalid memory access. The fix was implemented in commit f7399b62d7fbc596f1b2871578c1d2053bedf1dd (GitHub Patch).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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