CVE-2026-66034 libssh2 Heap Out-of-Bounds Read via publickey subsystem

libssh2 through 1.11.1, fixed in commit a13bb6c, contains a missing bounds check vulnerability that allows a malicious SSH server to trigger an arbitrary-length heap out-of-bounds read and a free of an uninitialized pointer via the publickey subsystem. In libssh2publickeylistfetch, the version 1...

PT-2026-64381

Name of the Vulnerable Software and Affected Versions libssh2 versions prior to 1.11.1 Description A missing bounds check in the publickey subsystem allows a malicious SSH server to trigger an arbitrary-length heap out-of-bounds read and the free of an uninitialized pointer. In the libssh2...

SUSE CVE-2026-58050

libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a publickey-subsystem response and uses it in the allocation numattrs sizeoflibssh2publickeyattribute without bounds checking, so on 32-bit platforms the multiplication overflows to an undersized buffer. A malicious S...

CVE-2026-58050

libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a publickey-subsystem response and uses it in the allocation numattrs sizeoflibssh2publickeyattribute without bounds checking, so on 32-bit platforms the multiplication overflows to an undersized buffer. A malicious S...

EUVD-2017-11801

Malware in sbrugna...

Linux Distros Unpatched Vulnerability : CVE-2017-17807

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The KEYS subsystem in the Linux kernel before 4.14.6 omitted an access-control check when adding a key to the current task's default request-key keyring via the...

CVE-2017-15299

The KEYS subsystem in the Linux kernel through 4.13.7 mishandles use of addkey for a key that already exists but is uninstantiated, which allows local users to cause a denial of service NULL pointer dereference and system crash or possibly have unspecified other impact via a crafted system call...

Virtuozzo 6 : parallels-server-bm-release / vzkernel / etc (VZA-2017-019)

According to the version of the parallels-server-bm-release / vzkernel / etc packages installed, the Virtuozzo installation on the remote host is affected by the following vulnerability : - A flaw was discovered in the Linux kernel's key subsystem. Invoking the requestkey system call with a...

Virtuozzo 7 : readykernel-patch (VZA-2017-021)

According to the version of the vzkernel package and the readykernel-patch installed, the Virtuozzo installation on the remote host is affected by the following vulnerability : - A flaw was discovered in the Linux kernel's key subsystem. Invoking the requestkey system call with a specially crafte...

kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2016:0185 Updated kernel packages that fix two security issues and several bugs are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS...

CentOS 7 : kernel (CESA-2016:0185)

Updated kernel packages that fix two security issues and several bugs are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity ratings, a...

kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2015:2636 Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System...

kernel security update

CentOS Errata and Security Advisory CESA-2007:0085 Updated kernel packages that fix two security issues and a bug in the Red Hat Enterprise Linux 4 kernel are now available. This update has been rated as having important security impact by the Red Hat Security Response Team. The Linux kernel...