ALAS2023-2026-3124: Security update for 8 packages

ALAS2023-2026-3124, released September 28, 2026, fixes 2 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: Routine.

Routine

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

6.5

Base score, 0 to 10

Highest EPSS

0.0031

24th percentile

Priority of the 2 CVEs

Patch now 0
                                Urgent 0
                                High 0
                                Routine 2

Fixed package versions

Product	Release	Fixed in
heif-pixbuf-loader	amzn 2023	1.23.4-1.amzn2023
heif-pixbuf-loader-debuginfo	amzn 2023	1.23.4-1.amzn2023
libheif	amzn 2023	1.23.4-1.amzn2023
libheif-debuginfo	amzn 2023	1.23.4-1.amzn2023
libheif-debugsource	amzn 2023	1.23.4-1.amzn2023
libheif-devel	amzn 2023	1.23.4-1.amzn2023
libheif-tools	amzn 2023	1.23.4-1.amzn2023
libheif-tools-debuginfo	amzn 2023	1.23.4-1.amzn2023

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Routine	CVE-2026-84451	libheif: libheif is a HEIF and AVIF file format decoder and encoder	6.5	0.0031	None reported
Routine	CVE-2026-84450	libheif: libheif is a HEIF and AVIF file format decoder and encoder	4.3	0.0028	None reported

Also fixes CVE-2026-84451

SUSE-SU-2026:4276-1
libheif on sles 15.7
OPENSUSE-SU-2026:21889-1
libheif on opensuse-leap 16.0
DEBIAN-CVE-2026-84451
libheif on Debian 13.5 (trixie), Debian 14

Vendor advisory

https://alas.aws.amazon.com/AL2023/ALAS-2026-3124.html

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