ALAS2023-2026-1798: Security update for 14 packages

ALAS2023-2026-1798, released June 8, 2026, fixes 4 CVEs across 14 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.8

Base score, 0 to 10

Highest EPSS

0.0082

57th percentile

Priority of the 4 CVEs

Patch now 0
                                Urgent 0
                                High 4
                                Routine 0

Fixed package versions

Product	Release	Fixed in
libsolv	amzn 2023	0.7.22-1.amzn2023.0.4
libsolv-debuginfo	amzn 2023	0.7.22-1.amzn2023.0.4
libsolv-debugsource	amzn 2023	0.7.22-1.amzn2023.0.4
libsolv-demo	amzn 2023	0.7.22-1.amzn2023.0.4
libsolv-demo-debuginfo	amzn 2023	0.7.22-1.amzn2023.0.4
libsolv-devel	amzn 2023	0.7.22-1.amzn2023.0.4
libsolv-tools	amzn 2023	0.7.22-1.amzn2023.0.4
libsolv-tools-debuginfo	amzn 2023	0.7.22-1.amzn2023.0.4
perl-solv	amzn 2023	0.7.22-1.amzn2023.0.4
perl-solv-debuginfo	amzn 2023	0.7.22-1.amzn2023.0.4
python3-solv	amzn 2023	0.7.22-1.amzn2023.0.4
python3-solv-debuginfo	amzn 2023	0.7.22-1.amzn2023.0.4
ruby-solv	amzn 2023	0.7.22-1.amzn2023.0.4
ruby-solv-debuginfo	amzn 2023	0.7.22-1.amzn2023.0.4

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-48863	Libsolv: stack-based buffer overflow in libsolv eddsa pgp signature verification allows denial of service	7.5	0.0082	None reported
High	CVE-2026-9150	Libsolv: stack-based buffer overflow in libsolv's debian metadata parser when handling sha384/sha512 checksums	7.8	0.0041	None reported
High	CVE-2026-9149	Libsolv: heap buffer overflow in libsolv repo_add_solv via negative maxsize from crafted .solv file	7.8	0.0031	None reported
High	CVE-2026-48864	libsolv: A flaw was found in libsolv	7.8	0.0023	None reported

Also fixes CVE-2026-48863

SUSE-SU-2026:2590-1
libsolv, libzypp on sles 15.6
SUSE-SU-2026:2531-1
libsolv, libzypp, zypper on sles 15.7
OPENSUSE-SU-2026:21096-1
libsolv, libzypp, zypper on opensuse-leap 16.0
SUSE-SU-2026:22172-1
libsolv, libzypp, zypper on sles 16.0
DEBIAN-CVE-2026-48863
libsolv on Debian 14

Vendor advisory

https://alas.aws.amazon.com/AL2023/ALAS-2026-1798.html

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