USN-765-1: Firefox and Xulrunner vulnerabilities

Ubuntu Security Notice USN-765-1

28th April, 2009

firefox-3.0, xulrunner-1.9 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 9.04
  • Ubuntu 8.10
  • Ubuntu 8.04 LTS

Software description

  • firefox-3.0
  • xulrunner-1.9

Details

It was discovered that the upstream security fixes in USN-764-1 introduced
a regression which could cause the browser to crash. If a user were tricked
into viewing a malicious website, a remote attacker could cause a denial of
service or possibly execute arbitrary code with the privileges of the user
invoking the program.

Update instructions

The problem can be corrected by updating your system to the following package version:

Ubuntu 9.04:
firefox-3.0 3.0.10+nobinonly-0ubuntu0.9.04.1
abrowser 3.0.10+nobinonly-0ubuntu0.9.04.1
xulrunner-1.9 1.9.0.10+nobinonly-0ubuntu0.9.04.1
Ubuntu 8.10:
firefox-3.0 3.0.10+nobinonly-0ubuntu0.8.10.1
abrowser 3.0.10+nobinonly-0ubuntu0.8.10.1
xulrunner-1.9 1.9.0.10+nobinonly-0ubuntu0.8.10.1
Ubuntu 8.04 LTS:
firefox-3.0 3.0.10+nobinonly-0ubuntu0.8.04.1
xulrunner-1.9 1.9.0.10+nobinonly-0ubuntu0.8.04.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system upgrade you need to restart Firefox and any
applications that use xulrunner, such as Epiphany, to effect the necessary
changes.

References

CVE-2009-1313