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OpenAdvisories
Low ALAS2023-2026-1509 1 CVE

Low: libheif security update (Amazon Linux 2023)

Published Mar 30, 2026 · Updated Apr 1, 2026

Ecosystem: Amazon Linux

Summary

Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-3949: A vulnerability was determined in strukturag libheif up to 1.21.2. This affects the function vvdec_push_data2 of the file libheif/plugins/decoder_vvdec.cc of the component HEIF File Parser. Executing a manipulation of the argument size can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. This patch is called b97c8b5f198b27f375127cd597a35f2113544d03. It is advisable to implement a patch to correct this issue.

Fixed packages 8

ReleasePackageFixed in
Amazon Linux · 2023 heif-pixbuf-loader 0:1.19.8-1.amzn2023.0.4
Amazon Linux · 2023 heif-pixbuf-loader-debuginfo 0:1.19.8-1.amzn2023.0.4
Amazon Linux · 2023 libheif 0:1.19.8-1.amzn2023.0.4
Amazon Linux · 2023 libheif-debuginfo 0:1.19.8-1.amzn2023.0.4
Amazon Linux · 2023 libheif-debugsource 0:1.19.8-1.amzn2023.0.4
Amazon Linux · 2023 libheif-devel 0:1.19.8-1.amzn2023.0.4
Amazon Linux · 2023 libheif-tools 0:1.19.8-1.amzn2023.0.4
Amazon Linux · 2023 libheif-tools-debuginfo 0:1.19.8-1.amzn2023.0.4

Vulnerabilities 1

  • Low 3.3
    CVE-2026-3949

    strukturag libheif HEIF File decoder_vvdec.cc vvdec_push_data2 out-of-bounds

    A vulnerability was determined in strukturag libheif up to 1.21.2. This affects the function vvdec_push_data2 of the file libheif/plugins/decoder_vvdec.cc of the component HEIF File Parser. Executing a manipulation of the argument size can lead to out-of-boun…

    strukturag libheif libheif Debian

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-3949.html