ALAS2-2026-3329


Amazon Linux 2 Security Advisory: ALAS2-2026-3329
Advisory Released Date: 2026-06-08
Advisory Updated Date: 2026-06-08
Severity: Medium

Issue Overview:

A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauth_password of the file src/userauth.c. Such manipulation of the argument username_len/password_len leads to integer overflow. The attack may be launched remotely. The name of the patch is 256d04b60d80bf1190e96b0ad1e91b2174d744b1. A patch should be applied to remediate this issue. (CVE-2026-7598)


Affected Packages:

libssh2


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 libssh2 or yum update --advisory ALAS2-2026-3329 to update your system.

New Packages:
aarch64:
    libssh2-1.4.3-12.amzn2.2.7.aarch64
    libssh2-devel-1.4.3-12.amzn2.2.7.aarch64
    libssh2-debuginfo-1.4.3-12.amzn2.2.7.aarch64

i686:
    libssh2-1.4.3-12.amzn2.2.7.i686
    libssh2-devel-1.4.3-12.amzn2.2.7.i686
    libssh2-debuginfo-1.4.3-12.amzn2.2.7.i686

noarch:
    libssh2-docs-1.4.3-12.amzn2.2.7.noarch

src:
    libssh2-1.4.3-12.amzn2.2.7.src

x86_64:
    libssh2-1.4.3-12.amzn2.2.7.x86_64
    libssh2-devel-1.4.3-12.amzn2.2.7.x86_64
    libssh2-debuginfo-1.4.3-12.amzn2.2.7.x86_64