Amazon Linux 2 Security Advisory: ALAS2-2026-3320
Advisory Released Date: 2026-05-26
Advisory Updated Date: 2026-05-26
Severity:
Medium
Issue Overview:
OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions. (CVE-2026-35388)
OpenSSH before 10.3 mishandles the authorized_keys principals option in uncommon scenarios involving a principals list in conjunction with a Certificate Authority that makes certain use of comma characters. (CVE-2026-35414)
Affected Packages:
openssh
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 openssh or yum update --advisory ALAS2-2026-3320 to update your system.
New Packages:
aarch64:
openssh-7.4p1-22.amzn2.0.13.aarch64
openssh-clients-7.4p1-22.amzn2.0.13.aarch64
openssh-server-7.4p1-22.amzn2.0.13.aarch64
openssh-server-sysvinit-7.4p1-22.amzn2.0.13.aarch64
openssh-ldap-7.4p1-22.amzn2.0.13.aarch64
openssh-keycat-7.4p1-22.amzn2.0.13.aarch64
openssh-askpass-7.4p1-22.amzn2.0.13.aarch64
openssh-cavs-7.4p1-22.amzn2.0.13.aarch64
pam_ssh_agent_auth-0.10.3-2.22.amzn2.0.13.aarch64
openssh-debuginfo-7.4p1-22.amzn2.0.13.aarch64
i686:
openssh-7.4p1-22.amzn2.0.13.i686
openssh-clients-7.4p1-22.amzn2.0.13.i686
openssh-server-7.4p1-22.amzn2.0.13.i686
openssh-server-sysvinit-7.4p1-22.amzn2.0.13.i686
openssh-ldap-7.4p1-22.amzn2.0.13.i686
openssh-keycat-7.4p1-22.amzn2.0.13.i686
openssh-askpass-7.4p1-22.amzn2.0.13.i686
openssh-cavs-7.4p1-22.amzn2.0.13.i686
pam_ssh_agent_auth-0.10.3-2.22.amzn2.0.13.i686
openssh-debuginfo-7.4p1-22.amzn2.0.13.i686
src:
openssh-7.4p1-22.amzn2.0.13.src
x86_64:
openssh-7.4p1-22.amzn2.0.13.x86_64
openssh-clients-7.4p1-22.amzn2.0.13.x86_64
openssh-server-7.4p1-22.amzn2.0.13.x86_64
openssh-server-sysvinit-7.4p1-22.amzn2.0.13.x86_64
openssh-ldap-7.4p1-22.amzn2.0.13.x86_64
openssh-keycat-7.4p1-22.amzn2.0.13.x86_64
openssh-askpass-7.4p1-22.amzn2.0.13.x86_64
openssh-cavs-7.4p1-22.amzn2.0.13.x86_64
pam_ssh_agent_auth-0.10.3-2.22.amzn2.0.13.x86_64
openssh-debuginfo-7.4p1-22.amzn2.0.13.x86_64