PT-2025-40940 · Openbsd+10 · Openssh+10

David Leadbeater · Published 2025-10-06 · Updated 2026-04-06 · CVE-2025-61985

Positive Technologies (AI Summary)

CVSS v3.1

3.6

Low

Base vector

AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions OpenSSH versions prior to 10.1

Description OpenSSH contains a flaw where the '0' character within an ssh:// URI can be processed, potentially leading to code execution when a ProxyCommand is utilized. This occurs because the presence of a null byte allows for manipulation of the command execution process.

Recommendations Update to OpenSSH version 10.1 or later.

Fix

Weakness Enumeration

CWE-158

Related Identifiers

ALSA-2025:23479

ALSA-2025:23480

ALSA-2025:23481

AZL-68228

AZL-68292

BDU:2025-12566

CVE-2025-61985

ECHO-C49B-D8DD-91E2

JLSEC-2025-8

MGASA-2026-0059

OESA-2025-2582

OESA-2025-2583

OESA-2025-2584

OESA-2025-2585

OESA-2025-2586

OESA-2025-2646

OPENSUSE-SU-2025:20122-1

RHSA-2026:0693

RHSA-2026:0976

RHSA-2026:1678

RHSA-2026:1790

RHSA-2026:1815

RHSA-2026:5475

SUSE-SU-2025:21044-1

SUSE-SU-2025:21128-1

SUSE-SU-2025:21161-1

SUSE-SU-2025:4067-1

SUSE-SU-2025:4098-1

SUSE-SU-2025:4112-1

SUSE-SU-2026:20662-1

USN-8090-1

USN-8090-2

Affected Products

Almalinux

Centos

Debian

Ibm Aix

Linuxmint

Openssh

Red Hat

Red Os

Rocky Linux

Suse

Ubuntu

References · 89

• https://osv.dev/vulnerability/SUSE-SU-2025:4098-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-3497 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2026-0059.html · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-61984 · Security Note
• https://wiki.astralinux.ru/astra-linux-se38-bulletin-2026-0126SE38 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2025-1202SE17 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2025-61985 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-61985 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2025-23481.html · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:20122-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-61985 · Security Note
• https://osv.dev/vulnerability/ALSA-2025:23479 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2025-2582 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-68228 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2025-2583 · Vendor Advisory