RHSA-2026:1815MediumCVSS 5.3
Red Hat Security Advisory: openssh security update
🔗 CVE IDs covered (2)
📋 Description
CVE-2025-61984 — openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand CVE-2025-61985 — openssh: OpenSSH: Null character in ssh:// URI can lead to code execution via ProxyCommand
🎯 Affected products91
- Red Hat Enterprise Linux AppStream E4S (v.9.2)
- Red Hat Enterprise Linux BaseOS E4S (v.9.2)
- openssh-0:8.7p1-30.el9_2.9.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.2)
- openssh-0:8.7p1-30.el9_2.9.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.2)
- openssh-0:8.7p1-30.el9_2.9.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.2)
- openssh-0:8.7p1-30.el9_2.9.src as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.2)
- openssh-0:8.7p1-30.el9_2.9.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.2)
- openssh-askpass-0:8.7p1-30.el9_2.9.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
- openssh-askpass-0:8.7p1-30.el9_2.9.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
- openssh-askpass-0:8.7p1-30.el9_2.9.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
- openssh-askpass-0:8.7p1-30.el9_2.9.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
- openssh-askpass-debuginfo-0:8.7p1-30.el9_2.9.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
- openssh-askpass-debuginfo-0:8.7p1-30.el9_2.9.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.2)
- openssh-askpass-debuginfo-0:8.7p1-30.el9_2.9.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
- openssh-askpass-debuginfo-0:8.7p1-30.el9_2.9.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.2)
- openssh-askpass-debuginfo-0:8.7p1-30.el9_2.9.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
- openssh-askpass-debuginfo-0:8.7p1-30.el9_2.9.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.2)
- openssh-askpass-debuginfo-0:8.7p1-30.el9_2.9.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
- openssh-askpass-debuginfo-0:8.7p1-30.el9_2.9.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.2)
- openssh-clients-0:8.7p1-30.el9_2.9.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.2)
- openssh-clients-0:8.7p1-30.el9_2.9.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.2)
- openssh-clients-0:8.7p1-30.el9_2.9.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.2)
- openssh-clients-0:8.7p1-30.el9_2.9.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.2)
- openssh-clients-debuginfo-0:8.7p1-30.el9_2.9.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
- openssh-clients-debuginfo-0:8.7p1-30.el9_2.9.aarch64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.2)
- openssh-clients-debuginfo-0:8.7p1-30.el9_2.9.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
- openssh-clients-debuginfo-0:8.7p1-30.el9_2.9.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.2)
- openssh-clients-debuginfo-0:8.7p1-30.el9_2.9.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
- openssh-clients-debuginfo-0:8.7p1-30.el9_2.9.s390x as a component of Red Hat Enterprise Linux BaseOS E4S (v.9.2)
- openssh-clients-debuginfo-0:8.7p1-30.el9_2.9.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
- +61 more not shown
✅ Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
🔗 References (5)
- selfhttps://access.redhat.com/errata/RHSA-2026:1815
- externalhttps://access.redhat.com/security/updates/classification/#moderate
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2401960
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2401962
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_1815.json