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[USN-8683-1] libheif vulnerabilities

Posted on 27 August 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8683-1
August 26, 2026

libheif vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in libheif.

Software Description:
- libheif: An ISO/IEC 23008-12:2017 HEIF and AVIF file format decoder and encoder

Details:

Feng Ning discovered that libheif incorrectly handled certain image
transforms. A remote attacker could possibly use this issue to cause a
denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu
20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2026-62289)

Ali Firas discovered that libheif incorrectly handled certain images. An
attacker could possibly use this issue to cause a denial of service or
execute arbitrary code. This issue only affected Ubuntu 24.04 LTS.
(CVE-2026-62291)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
heif-gdk-pixbuf 1.17.6-1ubuntu4.8
heif-thumbnailer 1.17.6-1ubuntu4.8
libheif-dev 1.17.6-1ubuntu4.8
libheif-plugin-aomdec 1.17.6-1ubuntu4.8
libheif-plugin-aomenc 1.17.6-1ubuntu4.8
libheif-plugin-dav1d 1.17.6-1ubuntu4.8
libheif-plugin-ffmpegdec 1.17.6-1ubuntu4.8
libheif-plugin-j2kdec 1.17.6-1ubuntu4.8
libheif-plugin-j2kenc 1.17.6-1ubuntu4.8
libheif-plugin-jpegdec 1.17.6-1ubuntu4.8
libheif-plugin-jpegenc 1.17.6-1ubuntu4.8
libheif-plugin-libde265 1.17.6-1ubuntu4.8
libheif-plugin-rav1e 1.17.6-1ubuntu4.8
libheif-plugin-svtenc 1.17.6-1ubuntu4.8
libheif-plugin-x265 1.17.6-1ubuntu4.8
libheif1 1.17.6-1ubuntu4.8

Ubuntu 22.04 LTS
heif-gdk-pixbuf 1.12.0-2ubuntu0.1~esm4
Available with Ubuntu Pro
heif-thumbnailer 1.12.0-2ubuntu0.1~esm4
Available with Ubuntu Pro
libheif-dev 1.12.0-2ubuntu0.1~esm4
Available with Ubuntu Pro
libheif1 1.12.0-2ubuntu0.1~esm4
Available with Ubuntu Pro

Ubuntu 20.04 LTS
heif-gdk-pixbuf 1.6.1-1ubuntu0.1~esm4
Available with Ubuntu Pro
heif-thumbnailer 1.6.1-1ubuntu0.1~esm4
Available with Ubuntu Pro
libheif-dev 1.6.1-1ubuntu0.1~esm4
Available with Ubuntu Pro
libheif1 1.6.1-1ubuntu0.1~esm4
Available with Ubuntu Pro

Ubuntu 18.04 LTS
libheif-dev 1.1.0-2ubuntu0.1~esm4
Available with Ubuntu Pro
libheif1 1.1.0-2ubuntu0.1~esm4
Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-8683-1
CVE-2026-62289, CVE-2026-62291

Package Information:
https://launchpad.net/ubuntu/+source/libheif/1.17.6-1ubuntu4.8

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