ALAS2023-2026-1830: Security update for 3 packages

ALAS2023-2026-1830, released June 11, 2026, fixes 1 CVE across 3 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.1

Base score, 0 to 10

Highest EPSS

0.0040

34th percentile

Fixed package versions

Product	Release	Fixed in
perl-Sereal-Decoder	amzn 2023	4.018-2.amzn2023.0.4
perl-Sereal-Decoder-debuginfo	amzn 2023	4.018-2.amzn2023.0.4
perl-Sereal-Decoder-debugsource	amzn 2023	4.018-2.amzn2023.0.4

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-8796	libsereal-decoder-perl: Sereal::Decoder versions before 5.005 for Perl allow heap out-of-bounds read via crafted input	8.1	0.0040	None reported

Also fixes CVE-2026-8796

DEBIAN-CVE-2026-8796
libsereal-decoder-perl on Debian 14

Vendor advisory

https://alas.aws.amazon.com/AL2023/ALAS-2026-1830.html

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