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B.21. firefox
Updated firefox packages that fix several security issues are now available for Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having critical security impact. Common Vulnerability Scoring System (CVSS) base scores, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) associated with each description below.
Mozilla Firefox is an open source web browser. XULRunner provides the XUL Runtime environment for Mozilla Firefox.
- CVE-2010-3765
- A race condition flaw was found in the way Firefox handled Document Object Model (DOM) element properties. Malicious HTML content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox.
- CVE-2010-3175, CVE-2010-3176, CVE-2010-3179, CVE-2010-3183, CVE-2010-3180
- Several flaws were found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox.
- CVE-2010-3177
- A flaw was found in the way the Gopher parser in Firefox converted text into HTML. A malformed file name on a Gopher server could, when accessed by a victim running Firefox, allow arbitrary JavaScript to be executed in the context of the Gopher domain.
- CVE-2010-3178
- A same-origin policy bypass flaw was found in Firefox. An attacker could create a malicious web page that, when viewed by a victim, could steal private data from a different website the victim had loaded with Firefox.
- CVE-2010-3182
- A flaw was found in the script that launches Firefox. The LD_LIBRARY_PATH variable was appending a "." character, which could allow a local attacker to execute arbitrary code with the privileges of a different user running Firefox, if that user ran Firefox from within an attacker-controlled directory.
For technical details regarding these flaws, refer to the Mozilla security advisories for Firefox 3.6.11 and 3.6.12:
All Firefox users should upgrade to these updated packages, which contain Firefox version 3.6.12, which corrects these issues. After installing the update, Firefox must be restarted for the changes to take effect.
