ADVISORIES
GEM
PATCHED VERSIONS
- >= 0.23.6
DESCRIPTION
Impact
CommonMarker uses cmark-gfm for rendering Github Flavored
Markdown. A polynomial time complexity issue
in cmark-gfm’s autolink extension may lead to unbounded resource exhaustion
and subsequent denial of service.
Patches
This vulnerability has been patched in the following CommonMarker release:
- v0.23.6
Workarounds
Disable use of the autolink extension.
References
https://en.wikipedia.org/wiki/Time_complexity