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GoogleOSV:GHSA-JR9P-R423-9M2RHistoryJun 02, 2021 - 9:44 p.m.
markdown2 Regular Expression Denial of Service
2021-06-0221:44:28
Google
osv.dev
11
markdown2
software
vulnerability
regular expression
denial of service
EPSS
0.003
Percentile
69.8%
markdown2 >=1.0.1.18, fixed in 2.4.0, is affected by a regular expression denial of service vulnerability. If an attacker provides a malicious string, it can make markdown2 processing difficult or delayed for an extended period of time.
References
github.com/trentm/python-markdown2
github.com/trentm/python-markdown2/pull/387
lists.fedoraproject.org/archives/list/[email protected]/message/BRP5RN35JZTSJ3JT4722F447ZDK7LZS5
lists.fedoraproject.org/archives/list/[email protected]/message/J752422YELXLMLZJPVJVKD2KKHHQRVEH
lists.fedoraproject.org/archives/list/[email protected]/message/JTIX5UXRDJZJ57DO4V33ZNJTNKWGBQLY
nvd.nist.gov/vuln/detail/CVE-2021-26813
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