🛡️ CVE-2025-61985

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is high, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

• Attack vector: Local — a local account, shell or session on the host is needed.
• Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
• Privileges required: Low — an ordinary user account is enough.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
• Integrity impact: Low — limited, and the attacker does not choose what is affected.
• Availability impact: None.

Weakness class

CVE-2025-61985 is classified as CWE-158: Improper Neutralization of Null Byte or NUL Character. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes NUL characters or null bytes when they are sent to a downstream component.

Affected software

CVE-2025-61985 is recorded against 1 package.

• unknown

Timeline and source

Published on 6 October 2025 and last revised on 14 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

marc.info
www.openssh.com
www.openwall.com
cert-portal.siemens.com

Other advisories for this package

unknown has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2022-4995 (9.8 Critical, published 7 Aug 2026)
• CVE-2022-4994 (published 30 Jul 2026)
• CVE-2023-49900 (9.8 Critical, published 16 Jul 2026)
• CVE-2023-49899 (9.8 Critical, published 16 Jul 2026)
• CVE-2022-4990 (published 3 Jul 2026)
• CVE-2022-4989 (published 3 Jul 2026)
• CVE-2022-50973 (9.8 Critical, published 2 Jul 2026)
• CVE-2023-20572 (published 26 Jun 2026)

Same weakness in other software

These advisories are the same class of weakness (CWE-158: Improper Neutralization of Null Byte or NUL Character) in other software:

• CVE-2026-70603 (published 5 Aug 2026)
• CVE-2026-47778 (5.0 Medium, published 30 Jun 2026)
• CVE-2026-41256 (5.5 Medium, published 11 May 2026)
• CVE-2026-43861 (3.7 Low, published 4 May 2026)
• CVE-2026-43859 (3.7 Low, published 4 May 2026)
• CVE-2026-23863 (6.5 Medium, published 1 May 2026)
• CVE-2026-33191 (8.6 High, published 20 Mar 2026)
• CVE-2026-4359 (2.0 Low, published 17 Mar 2026)

CVE-2025-61985 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Affected Packages

References