SUSE-SU-2026:23320-1: moderate: Security update for libheif

Mon Aug 31 12:53:54 UTC 2026

# Security update for libheif

Announcement ID: SUSE-SU-2026:23320-1  
Release Date: 2026-08-25T06:33:48Z  
Rating: moderate  
References:

  * bsc#1273079
  * bsc#1273080
  * bsc#1273081
  * bsc#1273082
  * bsc#1273083
  * jsc#PED-16355

Cross-References:

  * CVE-2026-62289
  * CVE-2026-62291
  * CVE-2026-62292
  * CVE-2026-62377

CVSS scores:

  * CVE-2026-62289 ( SUSE ):  4.6
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-62289 ( SUSE ):  3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2026-62289 ( NVD ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2026-62291 ( SUSE ):  7.0
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-62291 ( SUSE ):  6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2026-62291 ( NVD ):  5.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
  * CVE-2026-62292 ( SUSE ):  6.7
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-62292 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-62292 ( NVD ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  * CVE-2026-62377 ( SUSE ):  4.6
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-62377 ( SUSE ):  3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2026-62377 ( NVD ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Affected Products:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server for SAP applications 16.0

An update that solves four vulnerabilities, contains one feature and has one fix
can now be installed.

## Description:

This update for libheif fixes the following issues:

Update to version 1.23.1 (jsc#PED-16355).

Security issues fixed:

  * CVE-2026-62289: integer underflow in Fraction constructor via double clap
    transform application (bsc#1273079).
  * CVE-2026-62291: heap out-of-bounds write in the uncompressed encoder when
    writing images with mismatched auxiliary alpha dimensions (bsc#1273080).
  * CVE-2026-62292: out-of-bounds read in uncompressed unci tile range slicing
    (bsc#1273081).
  * CVE-2026-62377: reachable assertion in `HeifContext::get_track()` aborts on
    a valid-but-empty HEIF sequence file (bsc#1273082).
  * Heap out-of-bounds write in the uncompressed encoder for RRGGBB images with
    interleaved bit-depth `<= 8` (bsc#1273083).

Changes for libheif:

  * Version 1.23.1
  * FFmpeg decoder plugin gains AV1, VVC, JPEG, and JPEG 2000/HTJ2K decoding.
  * SVT-AV1 encoder: new `tune=iq` and `ms-ssim` tune parameters.
  * C++ API: added getters/setters for the CLLI and MDCV HDR metadata boxes.
  * Sequence decoder now scales the alpha auxiliary track to the main image
    size.
  * Fixed pixi box writing for multi-channel images.
  * Corrected the placement of the TAI `clock_type` field into the top 2 bits.
  * Empty/unset plugin directory is no longer scanned.

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Enterprise Server 16.0  
    zypper in -t patch SUSE-SLES-16.0-1503=1

  * SUSE Linux Enterprise Server for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-1503=1

## Package List:

  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * libheif-jpeg-1.23.1-160000.1.1
    * libheif-debugsource-1.23.1-160000.1.1
    * gdk-pixbuf-loader-libheif-debuginfo-1.23.1-160000.1.1
    * libheif-jpeg-debuginfo-1.23.1-160000.1.1
    * libheif-ffmpeg-1.23.1-160000.1.1
    * libheif-ffmpeg-debuginfo-1.23.1-160000.1.1
    * libheif-aom-debuginfo-1.23.1-160000.1.1
    * libheif-rav1e-debuginfo-1.23.1-160000.1.1
    * libheif-openjpeg-1.23.1-160000.1.1
    * libheif-openjpeg-debuginfo-1.23.1-160000.1.1
    * libheif1-debuginfo-1.23.1-160000.1.1
    * libheif-dav1d-debuginfo-1.23.1-160000.1.1
    * libheif-dav1d-1.23.1-160000.1.1
    * libheif-rav1e-1.23.1-160000.1.1
    * gdk-pixbuf-loader-libheif-1.23.1-160000.1.1
    * libheif1-1.23.1-160000.1.1
    * libheif-aom-1.23.1-160000.1.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (x86_64)
    * libheif-svtenc-1.23.1-160000.1.1
    * libheif-svtenc-debuginfo-1.23.1-160000.1.1
  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * libheif-jpeg-1.23.1-160000.1.1
    * libheif-debugsource-1.23.1-160000.1.1
    * gdk-pixbuf-loader-libheif-debuginfo-1.23.1-160000.1.1
    * libheif-jpeg-debuginfo-1.23.1-160000.1.1
    * libheif-ffmpeg-1.23.1-160000.1.1
    * libheif-ffmpeg-debuginfo-1.23.1-160000.1.1
    * libheif-rav1e-debuginfo-1.23.1-160000.1.1
    * libheif-aom-debuginfo-1.23.1-160000.1.1
    * libheif1-debuginfo-1.23.1-160000.1.1
    * libheif-openjpeg-debuginfo-1.23.1-160000.1.1
    * libheif-openjpeg-1.23.1-160000.1.1
    * libheif-dav1d-debuginfo-1.23.1-160000.1.1
    * libheif-dav1d-1.23.1-160000.1.1
    * libheif-rav1e-1.23.1-160000.1.1
    * gdk-pixbuf-loader-libheif-1.23.1-160000.1.1
    * libheif1-1.23.1-160000.1.1
    * libheif-aom-1.23.1-160000.1.1
  * SUSE Linux Enterprise Server 16.0 (aarch64 x86_64)
    * libheif-svtenc-1.23.1-160000.1.1
    * libheif-svtenc-debuginfo-1.23.1-160000.1.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-62289.html
  * https://www.suse.com/security/cve/CVE-2026-62291.html
  * https://www.suse.com/security/cve/CVE-2026-62292.html
  * https://www.suse.com/security/cve/CVE-2026-62377.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1273079
  * https://bugzilla.suse.com/show_bug.cgi?id=1273080
  * https://bugzilla.suse.com/show_bug.cgi?id=1273081
  * https://bugzilla.suse.com/show_bug.cgi?id=1273082
  * https://bugzilla.suse.com/show_bug.cgi?id=1273083
  * https://jira.suse.com/browse/PED-16355

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