777 matches found
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...
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...
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...
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 – Vulnerability in Heimdal, Samba
A heap-based buffer overflow vulnerability was discovered in Samba, specifically within the GSSAPI unwrapdes and unwrapdes3 routines of Heimdal. The DES and Triple-DES decryption routines in the Heimdal GSSAPI library allow for a length-limited write buffer overflow on memory allocated by malloc,...
Astra Linux – Vulnerability in curl
A authentication bypass vulnerability exists in libcurl version 8.0.0, particularly in the connection reuse feature. This vulnerability allows for the reuse of previously established connections with incorrect user permissions, due to a failure to check for changes in the CURLOPTGSSAPIDELEGATION...
Astra Linux – Vulnerability in 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 of memcmp with the value “!= 0”. When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0 branches and...
Astra Linux – Vulnerability in bind9
In BIND 9.5.0 - 9.11.29, 9.12.0 - 9.16.13, and versions BIND 9.11.3-S1 - 9.11.29-S1 and 9.16.8-S1 - 9.16.13-S1 of the Supported Preview Edition, as well as release versions 9.17.0 - 9.17.1 of the BIND 9.17 development branch, BIND servers are vulnerable if they are running an affected version and...
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...
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...
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...
CLSA-2026-1778068747 Fix CVE(s): CVE-2026-0966
SECURITY UPDATE: heap buffer underflow in sshgethexa on zero-length or NULL input, remotely reachable via GSSAPI authentication logging - debian/patches/CVE-2026-0966.patch: reject NULL/zero-length input in sshgethexa in src/dh.c - CVE-2026-0966: fix heap buffer underflow in sshgethexa...
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...