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Debian LTS openssl Important Use-After-Free NULL Pointer Issues DLA-4624-1

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Ubuntu 20.04 alsa-lib Important Denial of Service Fix USN-8044-2

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Ubuntu 26.04 LTS node-shell-quote Important Denial of Service CVE-2026-9277

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Mageia 9 Suricata Critical Performance Security Issues MGASA-2026-0181

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Mageia 9 PackageKit Important TOCTOU Race Escalation CVE-2026-41651

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Mageia 9 Unbound Critical Remote Code Execution Advisory 2026-0034

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Ubuntu 26.04 LTS Netatalk Multiple Security Issues USN-8395-1

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Fedora 43 mingw-objfw 1.5.5 Update Security Fix FEDORA-2026-de23fedf3e

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Fedora 43 objfw Important Update 1.5.5 Bug Fixes June 2026

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Debian LTS DLA-4161-1 critical: SimpleSAMLphp signature confusion risk

A vulnerability has been discovered in SimpleSAMLphp, a framework for authentication, primarily via the SAML protocol. CVE-2025-27773 . ------------------------------------------------------------------------- Debian LTS Advisory DLA-4161-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/lts/security/ Tobias Frost May 09, 2025 https://wiki.debian.org/LTS ------------------------------------------------------------------------- Package : simplesamlphp Version : 1.19.0-1+deb11u2 CVE ID : CVE-2025-27773 Debian Bug : 1100595 A vulnerability has been discovered in SimpleSAMLphp, a framework for authentication, primarily via the SAML protocol. CVE-2025-27773 The SimpleSAMLphp SAML2 library is a PHP library for SAML2 related functionality. Prior to versions 4.17.0 and 5.0.0-alpha.20, there is a signature confusion attack in the HTTPRedirect binding. An attacker with any signed SAMLResponse via the HTTP-Redirect binding can cause the application to accept an unsigned message. Versions 4.17.0 and 5.0.0-alpha.20 contain a fix for the issue. For Debian 11 bullseye, this problem has been fixed in version 1.19.0-1+deb11u2. We recommend that you upgrade your simplesamlphp packages. For the detailed security status of simplesamlphp please refer to its security tracker page at: https://security-tracker.debian.org/tracker/source-package/simplesamlphp Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS . An important upgrade for SimpleSAMLphp resolves a signature ambiguity problem, safeguarding users against possible vulnerabilities.. Simplesamlphp Security, Debian Updates, SAML Protocol Flaws, Authentication Vulnerabilities. . Severity: Critical. LinuxSecurity.com Team

Calendar 2 May 09, 2025 •Critical Debian LTS
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Ubuntu: 7409-1 critical: ruby-saml signature attack & DoS

Several security issues were fixed in ruby-saml.. ========================================================================== Ubuntu Security Notice USN-7409-1 April 02, 2025 ruby-saml vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.10 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: Several security issues were fixed in ruby-saml. Software Description: - ruby-saml: SAML toolkit for Ruby on Rails Details: It was discovered that ruby-saml did not correctly handle XML parsing. An attacker could possibly use this issue to perform a signature wrapping attack and bypass authentication. (CVE-2025-25291 and CVE-2025-25292) It was discovered that ruby-saml did not correctly handle decompressing SAML responses. An attacker could possibly use this issue to cause a denial of service. (CVE-2025-25293) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 24.10 ruby-saml 1.15.0-1ubuntu0.24.10.2 Ubuntu 24.04 LTS ruby-saml 1.15.0-1ubuntu0.24.04.1+esm1 Available with Ubuntu Pro Ubuntu 22.04 LTS ruby-saml 1.13.0-1ubuntu0.1+esm1 Available with Ubuntu Pro Ubuntu 20.04 LTS ruby-saml 1.11.0-1ubuntu0.1+esm1 Available with Ubuntu Pro Ubuntu 18.04 LTS ruby-saml 1.7.2-1ubuntu0.1~esm2 Available with Ubuntu Pro Ubuntu 16.04 LTS ruby-saml 1.1.2-1ubuntu1+esm2 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7409-1 CVE-2025-25291, CVE-2025-25292, CVE-2025-25293 Package Information: https://launchpad.net/ubuntu/+source/ruby-saml/1.15.0-1ubuntu0.24.10.2 . Tackling vulnerabilities in the ruby-saml library across various Ubuntu LTS releases. Upgrade immediately to enhance your system's safety!. RubySAML, Ubuntu Security, Update Instructions, SAML Toolkit. . Severity: Critical. LinuxSecurity.com Team

Calendar 2 Apr 03, 2025 •Critical Ubuntu
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[{"id":483,"title":"Self-taught through trial and error","votes":549,"type":"x","order":1,"pct":78.54,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.29,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.86,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.3,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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