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ALSA-2025:23479 — Moderate: openssh security update

Affected: AlmaLinux:10: openssh, AlmaLinux:10: openssh-askpass, AlmaLinux:10: openssh-clients, AlmaLinux:10: openssh-keycat, AlmaLinux:10: openssh-keysign, AlmaLinux:10: openssh-server

OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server.

Security Fix(es):

* openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand (CVE-2025-61984) * openssh: OpenSSH: Null character in ssh:// URI can lead to code execution via ProxyCommand (CVE-2025-61985)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

bdu:2025-12566

BELL-CVE-2025-61985

Affected: Alpaquita:23: openssh, Alpaquita:25: openssh, Alpaquita:stream: openssh, BellSoft Hardened Containers:23: openssh, BellSoft Hardened Containers:25: openssh, BellSoft Hardened Containers:stream: openssh

certfr-2025-avi-0899 — De multiples vulnérabilités ont été découvertes dans les produits Microsoft. Certaines d'entre elles permettent à un at…

certfr-2025-avi-0899

EUVD-2026-364584

fkie_cve-2025-61985

ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand is used.

GHSA-8gmf-r74v-362p

ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand is used.

ICSA-26-209-04 — Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP

Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the firmware version V3.1.6 for the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP (incl. SIPLUS variant).

Siemens is preparing fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.

msrc_CVE-2025-61985 — ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a Pro…

msrc_CVE-2025-61985

OESA-2025-2582 — openssh security update

Affected: openEuler:20.03-LTS-SP4: openssh

OpenSSH is the premier connectivity tool for remote login with the SSH protocol. \ It encrypts all traffic to eliminate eavesdropping, connection hijacking, and \ other attacks. In addition, OpenSSH provides a large suite of secure tunneling \ capabilities, several authentication methods, and sophisticated configuration options. Security Fix(es):

ssh in OpenSSH before 10.1 allows control characters in usernames that originate from certain possibly untrusted sources, potentially leading to code execution when a ProxyCommand is used. The untrusted sources are the command line and %-sequence expansion of a configuration file. (A configuration file that provides a complete literal username is not categorized as an untrusted source.)(CVE-2025-61984)

ssh in OpenSSH before 10.1 allows the 0 character in an ssh:// URI, potentially leading to code execution when a ProxyCommand is used.(CVE-2025-61985)

openSUSE-SU-2025:20122-1 — Security update for openssh

Security update for openssh

RHSA-2026:0414 — Red Hat Security Advisory: A Subscription Management tool for finding and reporting Red Hat product usage

python: Invalid value for OpenSSL API may cause Buffer over-read when NPN is used systemd-coredump: race condition that allows a local attacker to crash a SUID program and gain read access to the resulting core dump cpython: Python HTMLParser quadratic complexity python: Quadratic complexity in os.path.expandvars() with user-controlled template cpython: python: Python zipfile End of Central Directory (EOCD) Locator record offset not checked libxslt: libxml2: Inifinite recursion at exsltDynMapFunction function in libexslt/dynamic.c node-forge: node-forge: Interpretation conflict vulnerability allows bypassing cryptographic verifications qs: qs: Denial of Service via improper input validation in array parsing tar: Tar path traversal firefox: thunderbird: expat: libexpat in Expat allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing django: Potential partial directory-traversal via archive.extract() openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand openssh: OpenSSH: Null character in ssh:// URI can lead to code execution via ProxyCommand Django: Django: Algorithmic complexity in XML Deserializer leads to denial of service libpng: LIBPNG buffer overflow glob: glob: Command Injection Vulnerability via Malicious Filenames libpng: LIBPNG heap buffer overflow node-forge: node-forge ASN.1 Unbounded Recursion libpng: LIBPNG out-of-bounds read in png_image_read_composite urllib3: urlli…

SSA-019113 — SSA-019113: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1.6

Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the firmware version V3.1.6 for the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP (incl. SIPLUS variant).

Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.

SUSE-SU-2025:21044-1 — Security update for openssh

Security update for openssh

UBUNTU-CVE-2025-61985

Affected: Ubuntu:Pro:FIPS:16.04:LTS: openssh, Ubuntu:18.04:LTS: openssh-ssh1, Ubuntu:Pro:FIPS-updates:18.04:LTS: openssh, Ubuntu:Pro:FIPS:18.04:LTS: openssh, Ubuntu:Pro:20.04:LTS: openssh, Ubuntu:20.04:LTS: openssh-ssh1, Ubuntu:Pro:FIPS-updates:20.04:LTS: openssh, Ubuntu:Pro:FIPS:20.04:LTS: openssh, Ubuntu:22.04:LTS: openssh, Ubuntu:22.04:LTS: openssh-ssh1 and 9 more

ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand is used.

WID-SEC-W-2025-2212 — OpenSSH: Mehrere Schwachstellen ermöglichen Codeausführung

Ein lokaler Angreifer kann mehrere Schwachstellen in OpenSSH ausnutzen, um beliebigen Programmcode auszuführen.