On January 22, Canonical published details about Firefox regressions for its Ubuntu 12.10, Ubuntu 12.04 LTS, Ubuntu 11.10, and Ubuntu 10.04 LTS operating systems.
According to Canonical, a regression has been introduced in the last Firefox update. A previous update fixed vulnerabilities in Firefox, but due to an upstream regression, some translations became unusable after upgrading.
On April 23, Canonical published, in a security notice, details about an IcedTea-Web regression for its Ubuntu 12.04 LTS and Ubuntu 11.10 operating systems.
According to Canonical, IcedTea-Web was unable to access some sites, due to a regression introduced in a previous update.
The USN-1804-1 patch fixed vulnerabilities in IcedTea-Web.
On March 14, Canonical published in a security notice details about an NSPR update for its Ubuntu 12.10, Ubuntu 12.04 LTS, Ubuntu 11.10, and Ubuntu 10.04 LTS operating systems.
According to Canonical, NSPR was updated in order to work with the new NSS. A previous fix, USN-1763-1, repaired a vulnerability in NSS.
On December 6, Canonical published in a security notice details about a libxml2 vulnerability for its Ubuntu 12.10 (Quantal Quetzal), Ubuntu 12.04 LTS (Precise Pangolin), Ubuntu 11.10 (Oneiric Ocelot), Ubuntu 10.04 LTS (Lucid Lynx), and Ubuntu 8.04 LTS (Hardy Heron) operating systems.
A security vulnerability that was discovered in the Linux kernel, affecting the Ubuntu 12.10 (Quantal Quetzal) operating system, has been announced by Canonical.
USN-1699-1 fixed vulnerabilities in the Linux kernel, but it also introduced a regression. Due to an unrelated regression, inotify/fanotify stopped working after upgrading.
On December 5, Canonical published in a security notice details about a CUPS vulnerability for its Ubuntu 12.04 LTS (Precise Pangolin), Ubuntu 11.10 (Oneiric Ocelot), Ubuntu 10.04 LTS (Lucid Lynx), and Ubuntu 8.04 LTS (Hardy Heron) operating systems. According to Canonical, programs that used LibTIFF could have been made to crash or to run programs, if they opened a specially-crafted file.
On November 20, Canonical published details about Django vulnerabilities for its Ubuntu 12.10, Ubuntu 12.04 LTS, Ubuntu 11.10, and Ubuntu 10.04 LTS operating systems.
According to Canonical, a testsuite regression was fixed in Django. The upstream fix introduced testsuite failures when ADMINS and/or MANAGERS were defined in settings.py.
On October 4th, in a security notice Canonical published details about DBus regressions affecting its Ubuntu 12.04 LTS, Ubuntu 11.10, Ubuntu 11.04, Ubuntu 10.04 LTS, and Ubuntu 8.04 LTS operating systems.
According to Canonical, DBus could be made to run programs as an administrator.
On October 1st, in a security notice Canonical published details about GNU C Library vulnerabilities for its Ubuntu 12.04 LTS, Ubuntu 11.10, Ubuntu 11.04, Ubuntu 10.04 LTS, and Ubuntu 8.04 LTS operating systems.
According to Canonical, multiple security issues were fixed in the GNU C Library. Positional arguments to the printf() family of functions were not handled properly in the GNU C Library.
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