RLSA-2026:23360 Important: bind9.16 security update

The Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols. BIND includes a DNS server named; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server is operating correctly. Security Fixes:...

BIND 9 server memory exhaustion during GSS-API TKEY negotiation

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EUVD-2026-31260

Concurrency and locking defects in GSS-TSIG...

CVE-2026-3039 BIND 9 server memory exhaustion during GSS-API TKEY negotiation

BIND servers that are configured to use TKEY-based authentication via GSS-API tokens are vulnerable to excessive memory consumption when receiving and processing maliciously-constructed packets. Typically these servers will be found in Active Directory integrated DNS deployments and/or...

CVE-2026-3039

BIND servers that are configured to use TKEY-based authentication via GSS-API tokens are vulnerable to excessive memory consumption when receiving and processing maliciously-constructed packets. Typically these servers will be found in Active Directory integrated DNS deployments and/or...

Uncontrolled Recursion

Overview Affected versions of this package are vulnerable to Uncontrolled Recursion through the SSL or GSS negotiation process. An attacker can cause the service to become unresponsive by triggering uncontrolled recursion when connecting to an AFUNIX socket. If both SSL and GSS are disabled, the...

CLSA-2026-1778490111 libssh: Fix of CVE-2026-0966

CVE-2026-0966: fix heap buffer underflow in sshgethexa on NULL or zero-length input, remotely reachable via GSSAPI authentication logging...

PT-2026-36775

Name of the Vulnerable Software and Affected Versions mutt versions prior to 2.3.2 Description The imap auth gss security level is mishandled. Recommendations Update to version 2.3.2...

[SECURITY] Fedora 42 Update: libgsasl-1.10.0-15.fc42

The library includes support for the SASL framework and at least partial support for the CRAM-MD5, EXTERNAL, GSSAPI, ANONYMOUS, PLAIN, SECURID, DIGEST-MD5, LOGIN, and NTLM mechanisms...

USN-8090-1: OpenSSH vulnerabilities

Jeremy Brown discovered that the OpenSSH GSSAPI Key Exchange incorrectly handled disconnecting clients. In non-default configurations where the GSSAPIKeyExchange setting is enabled, a remote attacker could use this issue to cause OpenSSH to crash, resulting in a denial of service, or possibly...

CLEANSTART-2026-BY71381 SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption

Multiple security vulnerabilities affect the argo-workflows-fips package. SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption. See references for individual vulnerability...

CVE-2026-0966

The API function sshgethexa is vulnerable, when 0-lenght input is provided to this function. This function is used internally in sshgetfingerprinthash and sshprinthexa deprecated, which is vulnerable to the same input length is provided by the calling application. The function is also used...

CLEANSTART-2026-JQ02410 SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption

Multiple security vulnerabilities affect the argo-workflows-fips package. SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption. See references for individual vulnerability...

CLEANSTART-2026-WA03785 SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption

Multiple security vulnerabilities affect the argo-workflows-fips package. SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption. See references for individual vulnerability...

Important: docker

Issue Overview: SSH Agent servers do not validate the size of messages when processing new identity requests, which may cause the program to panic if the message is malformed due to an out of bounds read. CVE-2025-47914 SSH servers parsing GSSAPI authentication requests do not validate the number...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.04 / 25.10 : Google Guest Agent vulnerability (USN-7956-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.04 / 25.10 host has a package installed that is affected by a vulnerability as referenced in the USN-7956-1 advisory. Jakub Ciolek discovered that the Go Cryptography module included in Google Guest Agent did not...

GHSA-J5W8-Q4QC-RX2X golang.org/x/crypto/ssh allows an attacker to cause unbounded memory consumption

SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption...

CVE-2025-58181

SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption...

PT-2025-47532

Name of the Vulnerable Software and Affected Versions SSH servers affected versions not specified Description SSH servers that process GSSAPI authentication requests are susceptible to an issue where the number of mechanisms included in the request is not validated. This can lead to excessive...

Linux Distros Unpatched Vulnerability : CVE-2022-45142

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The fix for CVE-2022-3437 included changing memcmp to be constant time and a workaround for a compiler bug by adding != 0 comparisons to the result of memcmp...