Mozilla said that the new version fixes six security holes, one of which is rated 'critical'. Firefox 1.5 users are being offered an upgrade tool to move to the new browser.
"We anticipate this to be the last release in the Firefox 1.5.0.x series," said the Mozilla developers blog.
"Mozilla typically maintains support for previous releases for six months after a major release. Mozilla has previously extended the planned end of life for the 1.5.0.x series in order to accommodate some recent changes in update functionality."
"Some of these crashes showed evidence of memory corruption under certain circumstances and we presume that, with enough effort, at least some of these could be exploited to run arbitrary code."
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