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Category Archives: GNU/Linux

Everything about GNU+Linux security

Security update

Security update

New upstream release (151.0.3)

Update to xserver 21.1.23, Security fixes for: ZDI-CAN-30136, ZDI-CAN-30159, ZDI-CAN-30160, ZDI-CAN-30161, ZDI-CAN-30163, ZDI-CAN-30164, ZDI-CAN-30165, ZDI-CAN-30168

This is an update fixing a pre-authentication information disclosure (CVE-2026-48840).

This is an update fixing several security related problems in putty.

Updated standalone web UI and HA Cluster Management Cockpit application to pcs- web-ui 0.1.24.3 (see CHANGELOG_WUI.md) Fixed a crash when running pcs resource|stonith list Fixed order of resources in sets when listing configuration of constraints

This is an update fixing a pre-authentication information disclosure (CVE-2026-48840).

This is an update fixing several security related problems in putty.

Updated standalone web UI and HA Cluster Management Cockpit application to pcs- web-ui 0.1.24.3 (see CHANGELOG_WUI.md) Fixed a crash when running pcs resource|stonith list Fixed order of resources in sets when listing configuration of constraints

Security update

Security update

Security update

Multiple vulnerabilities have been discovered in OpenSSL, a Secure Sockets Layer toolkit, which may result in denial of service, information leaks, or potentially remote code execution. Additional details can be found in the upstream advisory: https://openssl-library.org/news/secadv/20260609.txt

Several vulnerabilities were discovered in poppler, a PDF rendering library, which could result in denial of service, information disclosure, or potentially the execution of arbitrary code if a specially crafted file is processed. For the oldstable distribution (bookworm), these problems have been fixed

Security update

USN-8414-1 fixed several vulnerabilities in OpenSSL.

Go Networking could allow unintended access to network services.

Several security issues were fixed in Lodash.

GDK-PixBuf could be made to crash or run programs if it opened a specially crafted file.

USN-8398-1 introduced a regression in nginx

Several security issues were fixed in Cyborg.

Several security issues were fixed in QEMU.

An update that solves one vulnerability can now be installed.

An update that solves one vulnerability can now be installed.

An update that solves one vulnerability and has one bug fix can now be installed.

An update that solves one vulnerability and has one bug fix can now be installed.

An update that solves one vulnerability and has one bug fix can now be installed.

An update that solves one vulnerability and has 6 bug fixes can now be installed.

An update that solves 4 vulnerabilities and has 4 bug fixes can now be installed.

An update that solves one vulnerability and has 4 bug fixes can now be installed.

alsa-lib could be made to crash or run programs if it opened a specially crafted file.

IPv4 vs. IPv6 Proxies in 2026: Which One Should You Run on Your Linux Stack?
How Supply Chain Attacks Continue to Threaten Open-Source Software

shell-quote could be made to crash or run programs as your login if it received specially crafted input.

How to Find and Remove Malicious Cron Jobs on Linux
Exploring AI Risks and Detection Solutions in Linux Open Source Software

Security update

Security update

Security update

Several security issues were fixed in Netatalk.

Update to 1.5.5, containing many bug fixes, some also security related.

Update to 1.5.5, containing many bug fixes, some also security related.

Update to 1.5.5, containing many bug fixes, some also security related.

Update to 1.5.5, containing many bug fixes, some also security related.

update to 1.98.4 Allow nftables to satisfy firewall dependency in lieu of iptables rhbz#2453924 Fix 45s timeout on shutdowns in certain cases rhbz#2440864 Fixes CVE-2026-34165 rhbz#2454571 Fixes CVE-2026-33762 rhbz#2454572

Update to 0.2.1

An update that fixes 20 vulnerabilities is now available.

https://security-tracker.debian.org/tracker/DSA-6327-1

An update that solves six vulnerabilities and has one security fix can now be installed.

An update that solves six vulnerabilities and has one security fix can now be installed.

An update that solves one vulnerability can now be installed.

An update that solves 10 vulnerabilities, contains one feature and has two security fixes can now be installed.

An update that solves one vulnerability and contains one feature can now be installed.

An update that solves one vulnerability can now be installed.

An update that solves two vulnerabilities can now be installed.

An update that solves one vulnerability can now be installed.

An update that solves two vulnerabilities can now be installed.

An update that solves one vulnerability can now be installed.

An update that solves two vulnerabilities and contains one feature can now be installed.

An update that solves one vulnerability can now be installed.

An update that solves one vulnerability can now be installed.

An update that solves one vulnerability can now be installed.

An update that solves two vulnerabilities can now be installed.

An update that solves one vulnerability can now be installed.

An update that solves eight vulnerabilities can now be installed.

An update that solves four vulnerabilities can now be installed.

An update that solves three vulnerabilities can now be installed.

An update that solves one vulnerability can now be installed.

An update that solves two vulnerabilities can now be installed.

Several vulnerabilities have been discovered in the GNU C Library, the C standard library implementation used by Debian. CVE-2025-8058 posix: Fix double-free after allocation failure in regcomp The regcomp function in the GNU C library version from 2.4 to 2.41 is

Multiple security issues were found in libxml2, the GNOME XML library, which could lead to Denial of Service. CVE-2025-8732 Catalog parsing functions were missing cycle detection. When a catalog file contains a CATALOG directive pointing to itself,

Cron Job Abuse For Linux Persistence Mechanisms Detection
IronWorm Supply Chain Threat from Linux Credential Theft
Initiating Your Journey With Linux Server Security and Optimal Safeguarding

Update to 149.0.7827.53 fix 429 CVEs ( CVE-2026-10881 through CVE-2026-11309)

Update to 1.9.22 — fix systemd sandboxing: add ReadWritePaths=/dev/shm for semaphore creation Backport fix for CVE-2026-41054: privilege escalation via command socket

https://security-tracker.debian.org/tracker/DSA-6328-1

https://security-tracker.debian.org/tracker/DSA-6329-1

https://security-tracker.debian.org/tracker/DSA-6331-1

Multiple vulnerabilities have been discovered in Request Tracker, an extensible trouble-ticket tracking system, which could result privilege escalation, information disclosure, SQL injections, LDAP authentication bypass, cross-site scripting or spreadsheet (CSV/formula) injection. For the oldstable distribution (bookworm), these problems have been fixed

Multiple vulnerabilities were discoverd in Nginx, a high-performance web and reverse proxy server, which could result in remote code execution, denial of service or memory disclosure. For the oldstable distribution (bookworm), these problems have been fixed in version 1.22.1-9+deb12u8.

Security issues were discovered in Chromium which could result in the execution of arbitrary code, denial of service, or information disclosure. For the oldstable distribution (bookworm), these problems have been fixed in version 149.0.7827.53-1~deb12u1.

An update that solves 3 vulnerabilities can now be installed.

An update that solves 45 vulnerabilities can now be installed.

An update that solves 6 vulnerabilities can now be installed.

An update that solves 14 vulnerabilities can now be installed.

An update that solves 15 vulnerabilities can now be installed.

An update that solves 5 vulnerabilities can now be installed.

An update that solves one vulnerability can now be installed.

An update that solves one vulnerability can now be installed.

An update that solves one vulnerability can now be installed.

An update that solves 6 vulnerabilities can now be installed.

New samba packages are available for Slackware 15.0 to fix security issues.

It was discovered that incorrect cookie header accounting in the HTTP/2 implementation of the Apache HTTP server may result in denial of service (excessive resources consumption). For Debian 11 bullseye, this problem has been fixed in version 2.4.67-1~deb11u2.

Security update

Security update

Updating for Keylime release v7.14.2: This includes the fix for CVE-2026-6420. Update keylime-selinux policy to the latest version 44.1.0

Fixes CVE-2026-41565

This update addresses CVE-2026-7598, a potential heap buffer overflow, which could be triggered remotely by supplying very long username and/or password strings.