CLSA-2026-1779368297 polkit: Fix of CVE-2026-4897

CVE-2026-4897: Fix unbounded stdin reads that allow local user to trigger OOM and DoS in setuid helper; add input length checks and limit allocations...

EUVD-2026-30964

Kitty is a cross-platform GPU based terminal. Versions 0.46.2 and below contain a heap buffer overflow in loadimagedata that allows any process which can write to the terminal's stdin to crash kitty immediately. The vulnerability is triggered by a single APC graphics protocol command with a PNG...

UBUNTU-CVE-2026-33948

jq is a command-line JSON processor. Commits before 6374ae0bcdfe33a18eb0ae6db28493b1f34a0a5b contain a vulnerability where CLI input parsing allows validation bypass via embedded NUL bytes. When reading JSON from files or stdin, jq uses strlen to determine buffer length instead of the actual byte...

CVE-2026-4897

A flaw was found in polkit. A local user can exploit this by providing a specially crafted, excessively long input to the polkit-agent-helper-1 setuid binary via standard input stdin. This unbounded input can lead to an out-of-memory OOM condition, resulting in a Denial of Service DoS for the...

Linux Distros Unpatched Vulnerability : CVE-2026-4897

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in polkit. A local user can exploit this by providing a specially crafted, excessively long input to the polkit-agent-helper-1 setuid binary vi...

OESA-2025-1599 pam security update

PAM Pluggable Authentication Modules is a system of libraries that handle the authentication tasks of applications services on the system. Security Fixes: A vulnerability was found in PAM. The secret information is stored in memory, where the attacker can trigger the victim program to execute by...

UBUNTU-CVE-2019-18634

In Sudo before 1.8.26, if pwfeedback is enabled in /etc/sudoers, users can trigger a stack-based buffer overflow in the privileged sudo process. pwfeedback is a default setting in Linux Mint and elementary OS; however, it is NOT the default for upstream and many other packages, and would exist on...

UBUNTU-CVE-2017-11449

coders/mpc.c in ImageMagick before 7.0.6-1 does not enable seekable streams and thus cannot validate blob sizes, which allows remote attackers to cause a denial of service application crash or possibly have unspecified other impact via an image received from stdin...