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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"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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Explore Latest Linux Security advisories

We found 9 articles for you...
89

Fedora 42: Composer Critical ANSI Injection Denial of Service Advisory

Version 2.9.3 - 2025-12-30 Security: Fixed ANSI sequence injection (GHSA-59pp-r3rg-353g / CVE-2025-67746) Fixed COMPOSER_NO_SECURITY_BLOCKING env var not being respected for updates done via the install command, and added --no-security-blocking flag to install as well (#12677). -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2026-13b4dbe546 2026-01-14 01:09:41.794572+00:00 -------------------------------------------------------------------------------- Name : composer Product : Fedora 42 Version : 2.9.3 Release : 1.fc42 URL : https://getcomposer.org/ Summary : Dependency Manager for PHP Description : Composer helps you declare, manage and install dependencies of PHP projects, ensuring you have the right stack everywhere. Documentation: https://getcomposer.org/doc/ -------------------------------------------------------------------------------- Update Information: Version 2.9.3 - 2025-12-30 Security: Fixed ANSI sequence injection (GHSA-59pp-r3rg-353g / CVE-2025-67746) Fixed COMPOSER_NO_SECURITY_BLOCKING env var not being respected for updates done via the install command, and added --no-security-blocking flag to install as well (#12677) Fixed update --lock / update mirrors not working when locked packages contain vulnerabilities (#12645) Fixed client-certificate authentication implementation (#12667) Fixed php-ext schema not being validated in ValidatingArrayLoader (#12694) Fixed crash when --bump-after-update is used and the lock file is disabled (#12660) Fixed support for SecureTransport + LibreSSL on macOS (#12615) Fixed display of reasons for why advisories are ignored (#12668) Fixed compatibility issues when git has log.showSignature enabled (#12666) Fixed curl downloader not retrying when a timeout (err 28) failure occurs (#12662) Fixed EventDispatcher requiring a full Composer instance to function(#12629) -------------------------------------------------------------------------------- ChangeLog: * Wed Dec 31 2025 Remi Collet - 2.9.3-1 - update to 2.9.3 -------------------------------------------------------------------------------- References: [ 1 ] Bug #2428107 - CVE-2025-67746 composer: Composer: Terminal output manipulation leading to Denial of Service [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2428107 -------------------------------------------------------------------------------- This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-13b4dbe546' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/keys -------------------------------------------------------------------------------- -- _______________________________________________ package-announce mailing list -- This email address is being protected from spambots. You need JavaScript enabled to view it. To unsubscribe send an email to This email address is being protected from spambots. You need JavaScript enabled to view it. Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/This email address is being protected from spambots. You need JavaScript enabled to view it. Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue . Composer update on Fedora 42 addresses critical ANSI injection issues leading to DoS. Details inside!. Fedora, Composer, ANSI Injection, Security Update, DoS. . Severity: Critical. LinuxSecurity.com Team

Calendar 2 Jan 14, 2026 Critical Fedora
89

Fedora 43: Composer 2.9.3 Moderate DoS Fix FEDORA-2026-0b03072979

Version 2.9.3 - 2025-12-30 Security: Fixed ANSI sequence injection (GHSA-59pp-r3rg-353g / CVE-2025-67746) Fixed COMPOSER_NO_SECURITY_BLOCKING env var not being respected for updates done via the install command, and added --no-security-blocking flag to install as well (#12677). -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2026-0b03072979 2026-01-14 00:50:55.476166+00:00 -------------------------------------------------------------------------------- Name : composer Product : Fedora 43 Version : 2.9.3 Release : 1.fc43 URL : https://getcomposer.org/ Summary : Dependency Manager for PHP Description : Composer helps you declare, manage and install dependencies of PHP projects, ensuring you have the right stack everywhere. Documentation: https://getcomposer.org/doc/ -------------------------------------------------------------------------------- Update Information: Version 2.9.3 - 2025-12-30 Security: Fixed ANSI sequence injection (GHSA-59pp-r3rg-353g / CVE-2025-67746) Fixed COMPOSER_NO_SECURITY_BLOCKING env var not being respected for updates done via the install command, and added --no-security-blocking flag to install as well (#12677) Fixed update --lock / update mirrors not working when locked packages contain vulnerabilities (#12645) Fixed client-certificate authentication implementation (#12667) Fixed php-ext schema not being validated in ValidatingArrayLoader (#12694) Fixed crash when --bump-after-update is used and the lock file is disabled (#12660) Fixed support for SecureTransport + LibreSSL on macOS (#12615) Fixed display of reasons for why advisories are ignored (#12668) Fixed compatibility issues when git has log.showSignature enabled (#12666) Fixed curl downloader not retrying when a timeout (err 28) failure occurs (#12662) Fixed EventDispatcher requiring a full Composer instance to function(#12629) -------------------------------------------------------------------------------- ChangeLog: * Wed Dec 31 2025 Remi Collet - 2.9.3-1 - update to 2.9.3 -------------------------------------------------------------------------------- References: [ 1 ] Bug #2428108 - CVE-2025-67746 composer: Composer: Terminal output manipulation leading to Denial of Service [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2428108 -------------------------------------------------------------------------------- This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-0b03072979' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/keys -------------------------------------------------------------------------------- -- _______________________________________________ package-announce mailing list -- This email address is being protected from spambots. You need JavaScript enabled to view it. To unsubscribe send an email to This email address is being protected from spambots. You need JavaScript enabled to view it. Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/This email address is being protected from spambots. You need JavaScript enabled to view it. Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue . Explore the security advisory for Composer 2.9.3 on Fedora 43, covering critical fixes and updates.. Composer Fedora Update, Dependency Manager, Denial of Service, Security Patch. . Severity: Important. LinuxSecurity.com Team

Calendar 2 Jan 14, 2026 Important Fedora
91

Gentoo: PHP Library Remote Code Execution Vulnerabilities GLSA-202510-07

Multiple vulnerabilities have been discovered in Composer, the worst of which can lead to arbitrary code execution. . - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202508-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Composer: Multiple Vulnerabilities Date: August 06, 2025 Bugs: #838268 ID: 202508-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been discovered in Composer, the worst of which can lead to arbitrary code execution. Background ========== Composer is a dependency manager for the PHP programming language. Affected packages ================= Package Vulnerable Unaffected ---------------- ------------ ------------ dev-php/composer

Calendar 2 Aug 06, 2025 Critical Gentoo
172

Ubuntu 24.04 LTS: USN-7603-1 severe: composer code execution risk

Several security issues were fixed in Composer.. ========================================================================== Ubuntu Security Notice USN-7603-1 June 30, 2025 composer vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - 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 Composer. Software Description: - composer: Dependency Manager for PHP Details: Thomas Chauchefoin discovered that Composer did not correctly handle certain arguments. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-24828, CVE-2023-43655) Ed Cradock discovered that Composer did not correctly handle the exclusion of certain files. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 22.04 LTS. (CVE-2024-24821) Martin Haunschmid discovered that Composer did not correctly handle git branch names. An attacker could possibly use this issue to execute arbitrary code. (CVE-2024-35241) Maciej Piechota discovered that Composer did not correctly handle VCS branch names. An attacker could possibly use this issue to execute arbitrary code. (CVE-2024-35242) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS composer 2.7.1-2ubuntu0.1~esm1 Available with Ubuntu Pro Ubuntu 22.04 LTS composer 2.2.6-2ubuntu4+esm1 Available with Ubuntu Pro Ubuntu 20.04 LTS composer 1.10.1-1ubuntu0.1~esm2 Available with Ubuntu Pro Ubuntu 18.04 LTS composer 1.6.3-1ubuntu0.1~esm2 Available with Ubuntu Pro Ubuntu 16.04 LTS composer 1.0.0~beta2-1ubuntu0.1~esm2 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7603-1 CVE-2022-24828, CVE-2023-43655, CVE-2024-24821, CVE-2024-35241, CVE-2024-35242 . Numerous vulnerabilities in Composer for Ubuntu editions present significant dangers necessitating prompt upgrades.. Ubuntu Composer security Arbitrary code execution. . Severity: Critical. LinuxSecurity.com Team

Calendar 2 Jul 02, 2025 Critical Ubuntu
87

Debian: DSA-5715-2 Moderate: Composer Git Feature Branch Issue

The update for composer released as DSA 5715 introduced a regression in the handling of git feature branches. Updated composer packages are now available to address this issue. . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-5715-2 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/security/ Moritz Muehlenhoff June 24, 2024 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : composer The update for composer released as DSA 5715 introduced a regression in the handling of git feature branches. Updated composer packages are now available to address this issue. For the oldstable distribution (bullseye), these problems have been fixed in version 2.0.9-2+deb11u4. The stable distribution (bookworm) is not affected. We recommend that you upgrade your composer packages. For the detailed security status of composer please refer to its security tracker page at: https://security-tracker.debian.org/tracker/source-package/composer Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . A recent update for package manager rectifies an issue in git feature branch management, improving reliability for Ubuntu users.. Debian Update, Composer Security, Regresion Fix, Stable Patch. . LinuxSecurity.com Team

Calendar 2 Jun 24, 2024 Debian
89

Fedora 39: 2024-bb55f8476a Moderate: Composer Command Injection Risk

Version 2.7.7 2024-06-10 Security: Fixed command injection via malicious git branch name (GHSA-47f6-5gq3-vx9c / CVE-2024-35241) Security: Fixed multiple command injections via malicious git/hg branch names (GHSA-v9qv-c7wm-wgmf / CVE-2024-35242). -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2024-bb55f8476a 2024-06-20 08:00:46.156359 -------------------------------------------------------------------------------- Name : composer Product : Fedora 39 Version : 2.7.7 Release : 1.fc39 URL : https://getcomposer.org/ Summary : Dependency Manager for PHP Description : Composer helps you declare, manage and install dependencies of PHP projects, ensuring you have the right stack everywhere. Documentation: https://getcomposer.org/doc/ -------------------------------------------------------------------------------- Update Information: Version 2.7.7 2024-06-10 Security: Fixed command injection via malicious git branch name (GHSA-47f6-5gq3-vx9c / CVE-2024-35241) Security: Fixed multiple command injections via malicious git/hg branch names (GHSA-v9qv-c7wm-wgmf / CVE-2024-35242) Fixed PSR violations for classes not matching the namespace of a rule being hidden, this may lead to new violations being shown (#11957) Fixed UX when a plugin is still in vendor dir but is not required nor allowed anymore after changing branches (#12000) Fixed new platform requirements from composer.json not being checked if the lock file is outdated (#12001) Fixed secure-http checks that could be bypassed by using malformed URL formats (fa3b9582c) Fixed Filesystem::isLocalPath including windows-specific checks on linux (3c37a67c) Fixed perforce argument escaping (3773f775) Fixed handling of zip bombs when extracting archives (de5f7e32) Fixed Windows command parameter escaping to prevent abuse of unicode characters with best fit encoding conversion (3130a7455, 04a63b324) Fixed ability for config command toremove autoload keys (#11967) Fixed empty type support in init command (#11999) Fixed git clone errors when safe.bareRepository is set to strict in the git config (#11969) Fixed regression showing network errors on PHP

Calendar 2 Jun 20, 2024 Fedora
89

Fedora 40: FEDORA-2024-9ed24c98cd Moderate: Command Injection Risk

Version 2.7.7 2024-06-10 Security: Fixed command injection via malicious git branch name (GHSA-47f6-5gq3-vx9c / CVE-2024-35241) Security: Fixed multiple command injections via malicious git/hg branch names (GHSA-v9qv-c7wm-wgmf / CVE-2024-35242). -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2024-9ed24c98cd 2024-06-20 01:49:57.623881 -------------------------------------------------------------------------------- Name : composer Product : Fedora 40 Version : 2.7.7 Release : 1.fc40 URL : https://getcomposer.org/ Summary : Dependency Manager for PHP Description : Composer helps you declare, manage and install dependencies of PHP projects, ensuring you have the right stack everywhere. Documentation: https://getcomposer.org/doc/ -------------------------------------------------------------------------------- Update Information: Version 2.7.7 2024-06-10 Security: Fixed command injection via malicious git branch name (GHSA-47f6-5gq3-vx9c / CVE-2024-35241) Security: Fixed multiple command injections via malicious git/hg branch names (GHSA-v9qv-c7wm-wgmf / CVE-2024-35242) Fixed PSR violations for classes not matching the namespace of a rule being hidden, this may lead to new violations being shown (#11957) Fixed UX when a plugin is still in vendor dir but is not required nor allowed anymore after changing branches (#12000) Fixed new platform requirements from composer.json not being checked if the lock file is outdated (#12001) Fixed secure-http checks that could be bypassed by using malformed URL formats (fa3b9582c) Fixed Filesystem::isLocalPath including windows-specific checks on linux (3c37a67c) Fixed perforce argument escaping (3773f775) Fixed handling of zip bombs when extracting archives (de5f7e32) Fixed Windows command parameter escaping to prevent abuse of unicode characters with best fit encoding conversion (3130a7455, 04a63b324) Fixed ability for config command toremove autoload keys (#11967) Fixed empty type support in init command (#11999) Fixed git clone errors when safe.bareRepository is set to strict in the git config (#11969) Fixed regression showing network errors on PHP

Calendar 2 Jun 20, 2024 Fedora
197

Debian 10: DLA-3838-1 Moderate: Composer Command Injection Risk

It was discovered that there were a number of command-line injection vulnerabilities in Composer, a popular dependency manager for PHP. The 'install', 'status', 'reinstall' and 'remove' functionality had . - ------------------------------------------------------------------------- Debian LTS Advisory DLA-3838-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/lts/security/ Chris Lamb June 19, 2024 https://wiki.debian.org/LTS - ------------------------------------------------------------------------- Package : composer Version : 1.8.4-1+deb10u4 CVE IDs : CVE-2024-35241 CVE-2024-35242 Debian Bugs : 1073125 1073126 It was discovered that there were a number of command-line injection vulnerabilities in Composer, a popular dependency manager for PHP. The 'install', 'status', 'reinstall' and 'remove' functionality had issues when used with Git or Hg repositories which used maliciously- crafted branch names, which could have been abused to execute arbitrary shell commands. For Debian 10 buster, this problem has been fixed in version 1.8.4-1+deb10u4. We recommend that you upgrade your composer packages. For the detailed security status of composer please refer to its security tracker page at: https://security-tracker.debian.org/tracker/source-package/composer 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 . A vulnerability notice for Debian LTS highlights potential command-line injection threats in Composer. Urgent upgrades are advised.. Debian LTS, Composer Security, Command-Line Injection Risk. . LinuxSecurity.com Team

Calendar 2 Jun 19, 2024 Debian LTS
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Community Poll

What got you started with Linux?

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Please select either existing option or enter your own, however not both.
Please select minimum {0} answer(s).
Please select maximum {0} answer(s).
/main-polls/150-what-got-you-started-with-linux?task=poll.vote&format=json
150
radio
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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"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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