CVE-2021-26813

https://notcve.org/view.php?id=CVE-2021-26813

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. markdown2 versiones anteriores a 1.0.1.18, corregido en 2.4.0, está afectado por una vulnerabilidad de denegación de servicio de expresión regular. Si un atacante proporciona una cadena maliciosa, puede dificultar el procesamiento de Markdown2 o retrasarlo durante un período de tiempo prolongado • https://github.com/trentm/python-markdown2/pull/387 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BRP5RN35JZTSJ3JT4722F447ZDK7LZS5 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J752422YELXLMLZJPVJVKD2KKHHQRVEH https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JTIX5UXRDJZJ57DO4V33ZNJTNKWGBQLY • CWE-1333: Inefficient Regular Expression Complexity •