MGASA-2026-0193 Updated openssh packages fix security vulnerabilities

In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectations, if the download is performed as root with -O legacy scp protocol and without -p preserve mode. CVE-2026-35385 In OpenSSH before 10.3, command execution can occur vi...

PT-2026-48523

Name of the Vulnerable Software and Affected Versions FreeBSD affected versions not specified Description A privilege escalation flaw exists in the Linuxulator, a compatibility layer that allows Linux binaries to run on FreeBSD. A logic bug related to AT SECURE occurs during setuid execution...

EulerOS 2.0 SP13 : openssh (EulerOS-SA-2026-2305)

According to the versions of the openssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : OpenSSH before 10.3 mishandles the authorizedkeys principals option in uncommon scenarios involving a principals list in conjunction with a...

EulerOS 2.0 SP13 : polkit (EulerOS-SA-2026-2307)

According to the versions of the polkit packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : 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...

EulerOS 2.0 SP13 : openssh (EulerOS-SA-2026-2348)

According to the versions of the openssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : OpenSSH before 10.3 mishandles the authorizedkeys principals option in uncommon scenarios involving a principals list in conjunction with a...

FreeBSD Security Advisory - FreeBSD-SA-26:32.elf

FreeBSD Security Advisory - The ELF image activator cleared per-process ASLR preference flags for setuid binaries after the code that computes the PIE base address, rather than before. As a result, a user-requested ASLR disable was still in effect at the point where the base address was chosen...

EulerOS 2.0 SP11 : openssh (EulerOS-SA-2026-2257)

According to the versions of the openssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : OpenSSH before 10.3 mishandles the authorizedkeys principals option in uncommon scenarios involving a principals list in conjunction with a...

FreeBSD-kernel -- ASLR bypass for setuid executables via procctl(2)

Problem Description: The ELF image activator cleared per-process ASLR preference flags for setuid binaries after the code that computes the PIE base address, rather than before. As a result, a user-requested ASLR disable was still in effect at the point where the base address was chosen. Impact: ...

FreeBSD-SA-26:32.elf

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:32.elf Security Advisory The FreeBSD Project Topic: ASLR bypass for setuid executables via procctl2 Category: core Module: kernel Announced: 2026-06-09...

CVE-2026-39461

libcasper3 communicates with helper processes via UNIX domain sockets, and uses the select2 system call to wait for data to become available. However, it does not verify that its socket descriptor fits within select2's descriptor set size limit of FDSETSIZE 1024. An attacker able to cause an...

binary-exploitation-labs-Application-security-ctf-writeups

binary-exploitation-labs-Application-security-ctf-writeups...

RockyLinux 10 : systemd (RLSA-2026:18153)

The remote RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:18153 advisory. systemd-coredump: race condition that allows a local attacker to crash a SUID program and gain read access to the resulting core dump CVE-2025-4598 Tenable has...

Linux Kernel FD-Race Monitoring

This C program is a defensive process-monitoring utility, not a privilege-escalation exploit. It continuously inspects /proc/pid/fd to detect suspicious activity related to excessive file descriptor usage, activity from sensitive SUID binaries, and potential file descriptor leakage or theft...

CVE-2026-41163

A flaw was found in bubblewrap when operating in setuid mode. A local user may use ptrace to interfere with the sandbox setup process and gain access to privileged operations that are normally restricted. This could allow an attacker to bypass intended sandboxing restrictions and potentially...

SUSE-SU-2026:21875-1 Security update for openssh

This update for openssh fixes the following issues - CVE-2026-35385: a file downloaded by scp may be installed setuid or setgid bsc1261427. - CVE-2026-35414: mishandling of authorizedkeys principals option bsc1261430. Changes for openssh: - Fix a potential issue when validating mac bsc1264568:...

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...

USN-8288-1: Bubblewrap vulnerability

It was discovered that Bubblewrap incorrectly handled the sandbox setup phase when installed in setuid mode. A local attacker could possibly use this issue to bypass sandbox restrictions...

Astra Linux – Vulnerability in zsh

In Zsh before version 5.8, attackers who were able to execute commands could regain privileges lost due to the --no-PRIVILEGED option. Zsh failed to overwrite the saved user ID, so the original privileges could be restored by executing MODULEPATH=/dir/with/module zmodload with a module that calls...

Astra Linux – Vulnerability in Containerd

Containerd is a container runtime. A bug was discovered in containerd versions prior to 1.4.8 and 1.5.4, where pulling and extracting a specially crafted container image could result in changes to Unix file permissions for existing files in the host’s filesystem. Changes to file permissions could...

Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 allows out-of-bounds write-ups, because the main function, while having setuid root, copies the current working directory pathname into a buffer that is too small on some common platforms...