ALAS2023-2026-2120: Security update for 8 packages

ALAS2023-2026-2120, released August 31, 2026, fixes 5 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: High.

High

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 5 CVEs

Patch now 0
                                Urgent 0
                                High 2
                                Routine 3

Fixed package versions

Product	Release	Fixed in
iscsi-initiator-utils	amzn 2023	6.2.1.4-10.git2a8f9d8.amzn2023.0.4
iscsi-initiator-utils-debuginfo	amzn 2023	6.2.1.4-10.git2a8f9d8.amzn2023.0.4
iscsi-initiator-utils-debugsource	amzn 2023	6.2.1.4-10.git2a8f9d8.amzn2023.0.4
iscsi-initiator-utils-devel	amzn 2023	6.2.1.4-10.git2a8f9d8.amzn2023.0.4
iscsi-initiator-utils-iscsiuio	amzn 2023	6.2.1.4-10.git2a8f9d8.amzn2023.0.4
iscsi-initiator-utils-iscsiuio-debuginfo	amzn 2023	6.2.1.4-10.git2a8f9d8.amzn2023.0.4
python3-iscsi-initiator-utils	amzn 2023	6.2.1.4-10.git2a8f9d8.amzn2023.0.4
python3-iscsi-initiator-utils-debuginfo	amzn 2023	6.2.1.4-10.git2a8f9d8.amzn2023.0.4

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-18724	open-iscsi vulnerability	n/a	n/a	None reported
High	CVE-2026-18725	open-iscsi vulnerability	n/a	n/a	None reported
Routine	CVE-2026-18726	Open-iscsi: open-iscsi: denial of service in iscsiuio router advertisement parsing	6.5	0.0031	None reported
Routine	CVE-2026-18728	Open-iscsi: open-iscsi: integer underflow in iscsiuio ipv4 dhcp parsing	6.5	0.0031	None reported
Routine	CVE-2026-18727	Open-iscsi: open-iscsi: integer underflow in iscsiuio dhcpv6 parsing	6.5	0.0029	None reported

Also fixes CVE-2026-18725

DEBIAN-CVE-2026-18725
open-iscsi on Debian 12.15 (bookworm), Debian 14

Vendor advisory

https://alas.aws.amazon.com/AL2023/ALAS-2026-2120.html

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