Amazon Linux 2023 Security Advisory: ALAS2023-2026-1779
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
Issue Correction:
Run dnf update libssh2 --releasever 2023.12.20260608 or dnf update --advisory ALAS2023-2026-1779 --releasever 2023.12.20260608 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
New Packages:
aarch64:
libssh2-debuginfo-1.10.0-1.amzn2023.0.4.aarch64
libssh2-devel-1.10.0-1.amzn2023.0.4.aarch64
libssh2-1.10.0-1.amzn2023.0.4.aarch64
libssh2-debugsource-1.10.0-1.amzn2023.0.4.aarch64
noarch:
libssh2-docs-1.10.0-1.amzn2023.0.4.noarch
src:
libssh2-1.10.0-1.amzn2023.0.4.src
x86_64:
libssh2-debuginfo-1.10.0-1.amzn2023.0.4.x86_64
libssh2-debugsource-1.10.0-1.amzn2023.0.4.x86_64
libssh2-devel-1.10.0-1.amzn2023.0.4.x86_64
libssh2-1.10.0-1.amzn2023.0.4.x86_64