Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 461
Alerts This Week
Warning Icon 1 461

Stay Secure with the Latest Linux Advisories

Filter%20icon Refine advisories
X Clear Filters
X Clear Filters
View More

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Community Poll

Should Linux servers automatically install security updates?

No answer selected. Please try again.
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/157-should-linux-servers-automatically-install-security-updates?task=poll.vote&format=json
157
radio
0
[{"id":506,"title":"Yes \u2014 critical security patches should install automatically.","votes":0,"type":"x","order":1,"pct":0,"resources":[]},{"id":507,"title":"No \u2014 every update should be tested before deployment.","votes":0,"type":"x","order":2,"pct":0,"resources":[]},{"id":508,"title":"Only critical vulnerabilities should auto-install.","votes":0,"type":"x","order":3,"pct":0,"resources":[]},{"id":509,"title":"I patch when Reddit starts panicking.","votes":1,"type":"x","order":4,"pct":100,"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
bottom 200
Loading...

Explore Latest Linux Security advisories

We found -7 articles for you...
172

Ubuntu 13.04 USN-1862-1 Critical Libxrandr DoS Security Fix

Several security issues were fixed in libxrandr.. =========================================================================Ubuntu Security Notice USN-1862-1 June 05, 2013 libxrandr, libxrandr-lts-quantal vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 13.04 - Ubuntu 12.10 - Ubuntu 12.04 LTS Summary: Several security issues were fixed in libxrandr. Software Description: - libxrandr: X11 RandR extension library - libxrandr-lts-quantal: X11 RandR extension library Details: Ilja van Sprundel discovered multiple security issues in various X.org libraries and components. An attacker could use these issues to cause applications to crash, resulting in a denial of service, or possibly execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 13.04: libxrandr2 2:1.4.0-1ubuntu1.1 Ubuntu 12.10: libxrandr2 2:1.4.0-1ubuntu0.1 Ubuntu 12.04 LTS: libxrandr-ltsq2 2:1.4.0-1~precise2 libxrandr2 2:1.3.2-2ubuntu0.2 After a standard system update you need to restart your session to make all all the necessary changes. References: https://ubuntu.com/security/notices/USN-1862-1 CVE-2013-1986 Package Information: https://launchpad.net/ubuntu/+source/libxrandr/2:1.4.0-1ubuntu1.1 https://launchpad.net/ubuntu/+source/libxrandr/2:1.4.0-1ubuntu0.1 https://launchpad.net/ubuntu/+source/libxrandr/2:1.3.2-2ubuntu0.2 https://launchpad.net/ubuntu/+source/libxrandr-lts-quantal/2:1.4.0-1~precise2 . Ensure your safety by following Ubuntu Security Notice USN-1862-1, focusing on libxrandr security flaws and the upgrade instructions.. libxrandr updates, ubuntu security, denial of service, advisory fix. . Severity: Critical. LinuxSecurity.com Team

Calendar%202 Jun 05, 2013 Critical Ubuntu
87

Debian: DSA-2684-1 Critical: Libxrandr Remote Risks and Updates

Ilja van Sprundel of IOActive discovered several security issues in multiple components of the X.org graphics stack and the related libraries: Various integer overflows, sign handling errors in integer conversions, buffer overflows, memory corruption and missing input . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------- Debian Security Advisory DSA-2684-1 This email address is being protected from spambots. You need JavaScript enabled to view it. http://www.debian.org/security/ Moritz Muehlenhoff May 23, 2013 http://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : libxrandr Vulnerability : several Problem type : remote Debian-specific: no CVE ID : CVE-2013-1986 Ilja van Sprundel of IOActive discovered several security issues in multiple components of the X.org graphics stack and the related libraries: Various integer overflows, sign handling errors in integer conversions, buffer overflows, memory corruption and missing input sanitising may lead to privilege escalation or denial of service. For the oldstable distribution (squeeze), this problem has been fixed in version 2:1.3.0-3+squeeze1. For the stable distribution (wheezy), this problem has been fixed in version 2:1.3.2-2+deb7u1. For the unstable distribution (sid), this problem has been fixed in version 2:1.3.2-2+deb7u1. We recommend that you upgrade your libxrandr packages. Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: http://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ----------------------------------------------------. sprundel, ioactive, security, components. . Severity: Critical. LinuxSecurity.com Team

Calendar%202 May 23, 2013 Critical Debian
News Add Esm H240

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Community Poll

Should Linux servers automatically install security updates?

No answer selected. Please try again.
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/157-should-linux-servers-automatically-install-security-updates?task=poll.vote&format=json
157
radio
0
[{"id":506,"title":"Yes \u2014 critical security patches should install automatically.","votes":0,"type":"x","order":1,"pct":0,"resources":[]},{"id":507,"title":"No \u2014 every update should be tested before deployment.","votes":0,"type":"x","order":2,"pct":0,"resources":[]},{"id":508,"title":"Only critical vulnerabilities should auto-install.","votes":0,"type":"x","order":3,"pct":0,"resources":[]},{"id":509,"title":"I patch when Reddit starts panicking.","votes":1,"type":"x","order":4,"pct":100,"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
bottom 200