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openssh: OpenSSH: Null character in ssh:// URI can lead to code execution via ProxyCommand

🗓️ 03 Feb 2026 07:04:31Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 6 Views

OpenSSH before 10.1 allows null in ssh address to trigger code execution via ProxyCommand.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM i is Affected by Improper Handling of Special Elements and Improper Neutralization of Null Byte Vulnerabilities in OpenSSH [CVE-2025-61984, CVE-2025-61985]
18 May 202620:52
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in openssh library (CVE-2025-61984, CVE-2025-61985) affect Power HMC.
31 Mar 202615:30
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in OpenSSH affects IBM Netezza Appliance
15 Apr 202610:29
–ibm
IBM Security Bulletins		Security Bulletin: AIX/VIOS is vulnerable to potential code execution (CVE-2025-61984, CVE-2025-61985) due to OpenSSH
6 Jan 202621:08
–ibm
Tenable Nessus		Amazon Linux 2023 : openssh, openssh-clients, openssh-keycat (ALAS2023-2026-1441)
19 Feb 202600:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0198: openssh (ALINUX3-SA-2025:0198)
29 Dec 202500:00
–nessus
Tenable Nessus		AlmaLinux 10 : openssh (ALSA-2025:23479)
23 Dec 202500:00
–nessus
Tenable Nessus		AlmaLinux 9 : openssh (ALSA-2025:23480)
23 Dec 202500:00
–nessus
Tenable Nessus		AlmaLinux 8 : openssh (ALSA-2025:23481)
22 Dec 202500:00
–nessus
Tenable Nessus		CentOS 9 : openssh-9.9p1-3.el9
15 Dec 202500:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.0aarch64openssh8.7p1-13.el9_0.1openssh-8.7p1-13.el9_0.1.aarch64.rpm
Red Hat Enterprise Linux9.0ppc64leopenssh8.7p1-13.el9_0.1openssh-8.7p1-13.el9_0.1.ppc64le.rpm
Red Hat Enterprise Linux9.0s390xopenssh8.7p1-13.el9_0.1openssh-8.7p1-13.el9_0.1.s390x.rpm
Red Hat Enterprise Linux9.0x86_64openssh8.7p1-13.el9_0.1openssh-8.7p1-13.el9_0.1.x86_64.rpm
Red Hat Enterprise Linux9.0aarch64openssh-askpass8.7p1-13.el9_0.1openssh-askpass-8.7p1-13.el9_0.1.aarch64.rpm
Red Hat Enterprise Linux9.0ppc64leopenssh-askpass8.7p1-13.el9_0.1openssh-askpass-8.7p1-13.el9_0.1.ppc64le.rpm
Red Hat Enterprise Linux9.0s390xopenssh-askpass8.7p1-13.el9_0.1openssh-askpass-8.7p1-13.el9_0.1.s390x.rpm
Red Hat Enterprise Linux9.0x86_64openssh-askpass8.7p1-13.el9_0.1openssh-askpass-8.7p1-13.el9_0.1.x86_64.rpm
Red Hat Enterprise Linux9.0aarch64openssh-askpass-debuginfo8.7p1-13.el9_0.1openssh-askpass-debuginfo-8.7p1-13.el9_0.1.aarch64.rpm
Red Hat Enterprise Linux9.0ppc64leopenssh-askpass-debuginfo8.7p1-13.el9_0.1openssh-askpass-debuginfo-8.7p1-13.el9_0.1.ppc64le.rpm
Rows per page

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18 Jul 2026 21:06Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.13.6
EPSS0.00118
SSVC
CWE-158
OpenSSHNull characterSecure shell addressProxyCommandCode executionVersion ten one
6