ALAS2023-2026-2156: Security update for 7 packages

ALAS2023-2026-2156, released September 14, 2026, fixes 1 CVE across 7 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0073

54th percentile

Fixed package versions

Product	Release	Fixed in
libtiff	amzn 2023	4.4.0-4.amzn2023.0.28
libtiff-debuginfo	amzn 2023	4.4.0-4.amzn2023.0.28
libtiff-debugsource	amzn 2023	4.4.0-4.amzn2023.0.28
libtiff-devel	amzn 2023	4.4.0-4.amzn2023.0.28
libtiff-static	amzn 2023	4.4.0-4.amzn2023.0.28
libtiff-tools	amzn 2023	4.4.0-4.amzn2023.0.28
libtiff-tools-debuginfo	amzn 2023	4.4.0-4.amzn2023.0.28

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-52490	An issue in libtiff 85f2ac8e0b01cb7db2bbecf4a3b891bdbef67938 allows an attacker to execute arbitrary code via the process_command_opts() function in tools/tiffcrop.c	9.8	0.0073	None reported

Also fixes CVE-2026-52490

ELSA-2026-69095
libtiff, libtiff-devel, libtiff-tools on ol 8
RHSA-2026:69095
libtiff, libtiff-devel, libtiff-tools on RHEL 8
RLSA-2026:69095
libtiff on rocky 8
ALSA-2026:69095
libtiff, libtiff-devel, libtiff-tools on almalinux 8
DEBIAN-CVE-2026-52490
tiff on Debian 14

Vendor advisory

https://alas.aws.amazon.com/AL2023/ALAS-2026-2156.html

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