Vulnerability in trentm python-markdown2

[ Description ]Official description

python-markdown2 through 2.5.5 contains a denial of service vulnerability that allows remote users to exhaust CPU by submitting Markdown with unclosed inline link destinations. Attackers can submit repeated '[a](' or '![a](' sequences, causing _find_balanced to rescan the remaining document for each link and consume quadratic CPU time.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• github.com/trentm/python-markdown2
• github.com/trentm/python-markdown2/blob/2.5.5/lib/markdown2.py
• github.com/trentm/python-markdown2/blob/2.5.5/lib/markdown2.py
• github.com/trentm/python-markdown2/issues/750
• github.com/trentm/python-markdown2/pull/751
• www.vulncheck.com/advisories/python-markdown2-through-2.5.5-denial-of-service-via-unclo…