The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade Ubuntu:12.04
firefox
to version 27.0+build1-0ubuntu0.12.04.1 or higher.
Note: Versions mentioned in the description apply only to the upstream firefox
package and not the firefox
package as distributed by Ubuntu
.
See How to fix?
for Ubuntu:12.04
relevant fixed versions and status.
The Content Security Policy (CSP) implementation in Mozilla Firefox before 27.0 and SeaMonkey before 2.24 operates on XSLT stylesheets according to style-src directives instead of script-src directives, which might allow remote attackers to execute arbitrary XSLT code by leveraging insufficient style-src restrictions.