Improper Neutralization of Null Byte or NUL Character The advisory has been revoked - it doesn't affect any version of package openssh-server (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL10-OPENSSHSERVER-13513545
- published10 Oct 2025
- disclosed6 Oct 2025
Introduced: 6 Oct 2025
CVE-2025-61985 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openssh-server package and not the openssh-server package as distributed by RHEL.
ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand is used.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2401962
- https://access.redhat.com/security/cve/CVE-2025-61985
- https://access.redhat.com/errata/RHSA-2025:23479
- https://access.redhat.com/errata/RHSA-2026:1678
- https://access.redhat.com/errata/RHSA-2026:5475
- https://marc.info/?l=openssh-unix-dev&m=175974522032149&w=2
- https://www.openssh.com/releasenotes.html#10.1p1
- https://www.openwall.com/lists/oss-security/2025/10/06/1
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html