[SECURITY] [DLA 4603-1] krb5 security update

Debian LTS Advisory DLA-4603-1 [email protected] https://www.debian.org/lts/security/ Emmanuel Arias May 28, 2026 https://wiki.debian.org/LTS Package : krb5 Version : 1.18.3-6+deb11u8 CVE ID : CVE-2026-40355 CVE-2026-40356 Debian Bug : 1135317 Two vulnerabilities was found in krb5, the...

Amazon Linux 2023 : openssh, openssh-clients, openssh-keycat (ALAS2023-2026-1745)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1745 advisory. 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...

Medium: openssh

Issue Overview: 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...

RockyLinux 9 : openssh (RLSA-2026:6462)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:6462 advisory. openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables CVE-2026-3497 Tenable has extracted the preceding description...

RLSA-2026:6462 Important: openssh security update

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

openssh security update

An update is available for openssh. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list OpenSSH is an SSH protocol implementation supported by a number of Linux, UNI...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.17.54 bug fix and security update

Red Hat OpenShift Container Platform release 4.17.54 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.17. Red Hat Product Security has rated this update as having a...

Astra Linux - уязвимость в heimdal

The fix for CVE-2022-3437 involved changing the memcmp function to run in constant time, as well as providing a workaround for a compiler bug by adding comparisons of the result with the value “!= 0” to the memcmp function. When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0...

libssh: libssh: Denial of Service via zero-length input in ssh_get_hexa()

A flaw was found in libssh. The API function sshgethexa is vulnerable to a denial of service when processing zero-length input. This can be exploited remotely by an attacker during GSSAPI Generic Security Service Application Program Interface authentication if the server's logging verbosity is se...

libssh: libssh: Denial of Service via zero-length input in ssh_get_hexa()

A flaw was found in libssh. The API function sshgethexa is vulnerable to a denial of service when processing zero-length input. This can be exploited remotely by an attacker during GSSAPI Generic Security Service Application Program Interface authentication if the server's logging verbosity is se...

Unity Linux 20.1060e / 20.1070e Security Update: openssh (UTSA-2026-016786)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016786 advisory. Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects the GSSAPI patches added by various Linux distributions...

Important: Red Hat Security Advisory: openssh security update

An update for openssh is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring...

Buffer Overflow

Overview Affected versions of this package are vulnerable to Buffer Overflow via unsafe string copying in the canonicalization process. An attacker can execute arbitrary code or cause a denial of service by supplying a specially crafted username in the MongoDB URI with authMechanism=GSSAPI before...

CVE-2026-6691 MongoDB C Driver Cyrus SASL Canonicalization Buffer Overflow

The MongoDB C Driver's Cyrus SASL integration performs unsafe string copying during username canonicalization, enabling a heap buffer overflow before any authentication or network traffic. This may be triggered by passing untrusted input in the username of a MongoDB URI with authMechanism=GSSAPI...

MongoDB C Driver Cyrus SASL Canonicalization Buffer Overflow

The MongoDB C Driver's Cyrus SASL integration performs unsafe string copying during username canonicalization, enabling a heap buffer overflow before any authentication or network traffic. This may be triggered by passing untrusted input in the username of a MongoDB URI with authMechanism=GSSAPI...

PT-2026-37642

The MongoDB C Driver's Cyrus SASL integration performs unsafe string copying during username canonicalization, enabling a heap buffer overflow before any authentication or network traffic. This may be triggered by passing untrusted input in the username of a MongoDB URI with authMechanism=GSSAPI...

CLSA-2026-1778003186 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...

CLSA-2026-1777950533 openssh: Fix of CVE-2026-3497

CVE-2026-3497: fix information disclosure / DoS in GSSAPI key exchange by initialising gssbuf, recvtok, msgtok to GSSCEMPTYBUFFER and replacing non-terminating sshpktdisconnect with sshpacketdisconnect in kexgssc.c / kexgsss.c...

CLSA-2026-1777939266 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...

Astra Linux - уязвимость в curl

An authentication bypass vulnerability exists libcurl 8.0.0 in the connection reuse feature which can reuse previously established connections with incorrect user permissions due to a failure to check for changes in the CURLOPTGSSAPIDELEGATION option. This vulnerability affects...