Amazon Linux 2 Security Advisory: ALAS2-2026-3859
Advisory Released Date: 2026-08-17
Advisory Updated Date: 2026-08-17
Severity:
Important
Issue Overview:
A Double Free vulnerability in open-iscsi allows an unauthenticated MITM attacker to cause DoS.
This issue affects open-iscsi: from ? through 56718d4e9d1a4f51c30697b5c0534144bb41c9bb. (CVE-2026-55995)
Affected Packages:
isns-utils
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update isns-utils or yum update --advisory ALAS2-2026-3859 to update your system.
New Packages:
aarch64:
isns-utils-0.93-7.amzn2.0.3.aarch64
isns-utils-debuginfo-0.93-7.amzn2.0.3.aarch64
i686:
isns-utils-0.93-7.amzn2.0.3.i686
isns-utils-debuginfo-0.93-7.amzn2.0.3.i686
src:
isns-utils-0.93-7.amzn2.0.3.src
x86_64:
isns-utils-0.93-7.amzn2.0.3.x86_64
isns-utils-debuginfo-0.93-7.amzn2.0.3.x86_64