openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables

A flaw was found in the OpenSSH GSSAPI Generic Security Service Application Program Interface delta patches, as included in various Linux distributions. A remote attacker could exploit this by sending an unexpected GSSAPI message type during the key exchange process. This occurs because the...

CVE-2026-3497

A flaw was found in the OpenSSH GSSAPI Generic Security Service Application Program Interface delta patches, as included in various Linux distributions. A remote attacker could exploit this by sending an unexpected GSSAPI message type during the key exchange process. This occurs because the...

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...

CVE-2026-3497

Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects the GSSAPI patches added by various Linux distributions and does not affect the OpenSSH upstream project itself. The usage of sshpktdisconnect on an error, which does not terminate the...

CLSA-2026-1773145958 Fix CVE(s): CVE-2024-37370, CVE-2024-37371

SECURITY UPDATE: Fix vulnerabilities in GSS message token handling - debian/patches/CVE-2024-37370-CVE-2024-37371.patch: Verify Extra Count field in CFX wrap tokens, validate plaintext length in gssunwrap, and prevent IOV unwrap header buffer overrun - CVE-2024-37370 - CVE-2024-37371...

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...

MongoDB Go Driver 安全漏洞

The MongoDB Go Driver is an open-source library written in Go language by MongoDB. There is a security vulnerability in the MongoDB Go Driver, which stems from an incorrect assumption in the C wrapper implementation regarding the termination of GSSAPI standard strings. This vulnerability may lead...

PT-2026-7457

Name of the Vulnerable Software and Affected Versions mongo-go-driver affected versions not specified Description The software contains CGo bindings for GSSAPI Kerberos authentication on Linux and macOS. The C wrapper implementation has a heap out-of-bounds read issue because of incorrect...

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-ZM51114 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...

SUNRPC: svcauth_gss: avoid NULL deref on zero length gss_token in gss_read_proxy_verf

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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...

USN-7956-1: Google Guest Agent vulnerability

Jakub Ciolek discovered that the Go Cryptography module included in Google Guest Agent did not validate GSSAPI authentication requests during SSH operations. An attacker could possibly use this issue to cause a denial of service...

USN-7956-1 google-guest-agent vulnerability

Jakub Ciolek discovered that the Go Cryptography module included in Google Guest Agent did not validate GSSAPI authentication requests during SSH operations. An attacker could possibly use this issue to cause a denial of service...

Important: amazon-cloudwatch-agent

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...

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...

DEBIAN-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...