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.
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsUpgrade Ubuntu:20.04 libarchive to version 3.4.0-2ubuntu1.5+esm1 or higher.
Note: Versions mentioned in the description apply only to the upstream libarchive package and not the libarchive package as distributed by Ubuntu.
See How to fix? for Ubuntu:20.04 relevant fixed versions and status.
An issue was discovered in libarchive bsdtar before version 3.8.1 in function apply_substitution in file tar/subst.c when processing crafted -s substitution rules. This can cause unbounded memory allocation and lead to denial of service (Out-of-Memory crash).