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CESA-2005:386: Mozilla security update

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CESA-2005:386: Mozilla security update



Updated mozilla packages that fix various security bugs are now available. This update has been rated as having Important security impact by the Red Hat Security Response Team.

Mozilla is an open source Web browser, advanced email and newsgroup client, IRC chat client, and HTML editor. Vladimir V. Perepelitsa discovered a bug in the way Mozilla handles anonymous functions during regular expression string replacement. It is possible for a malicious web page to capture a random block of browser memory. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2005-0989 to this issue. Doron Rosenberg discovered a bug in the way Mozilla displays pop-up windows. If a user choses to open a pop-up window whose URL is malicious javascript, the script will be executed with elevated privileges. (CAN-2005-1153) A bug was found in the way Mozilla handles the javascript global scope for a window. It is possible for a malicious web page to define a global variable known to be used by a different site, allowing malicious code to be executed in the context of the site. (CAN-2005-1154) Michael Krax discovered a bug in the way Mozilla handles favicon links. A malicious web page can programatically define a favicon link tag as javascript, executing arbitrary javascript with elevated privileges. (CAN-2005-1155) Michael Krax discovered a bug in the way Mozilla installed search plugins. If a user chooses to install a search plugin from a malicious site, the new plugin could silently overwrite an existing plugin. This could allow the malicious plugin to execute arbitrary code and stealm sensitive information. (CAN-2005-1156 CAN-2005-1157) A bug was found in the way Mozilla validated several XPInstall related javascript objects. A malicious web page could pass other objects to the XPInstall objects, resulting in the javascript interpreter jumping to arbitrary locations in memory. (CAN-2005-1159) A bug was found in the way the Mozilla privileged UI code handled DOM nodes from the content window. A malicious web page could install malicious javascript code or steal data requiring a user to do commonplace actions such as clicking a link or opening the context menu. (CAN-2005-1160) Users of Mozilla are advised to upgrade to this updated package which contains Mozilla version 1.7.7 to correct these issues.


  • centos-upgrade-devhelp
  • centos-upgrade-devhelp-devel
  • centos-upgrade-mozilla
  • centos-upgrade-mozilla-chat
  • centos-upgrade-mozilla-devel
  • centos-upgrade-mozilla-dom-inspector
  • centos-upgrade-mozilla-js-debugger
  • centos-upgrade-mozilla-mail
  • centos-upgrade-mozilla-nspr
  • centos-upgrade-mozilla-nspr-devel
  • centos-upgrade-mozilla-nss
  • centos-upgrade-mozilla-nss-devel

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