{"action":"Upgrade pygments to 2.7.4 or later.","affected":[{"fixed":"2.7.4","introduced":"1.1"}],"component":"pygments","cve_ids":["CVE-2021-27291"],"ecosystem":"PyPI","epss":0.03906,"exploited":false,"fixed_versions":["2.7.4"],"ghsa_id":"GHSA-pq64-v7f5-gqh8","id":"tcs_01M5KGB8BKS5HC0ZMFR1Y6TKYR","modified_at":"2023-11-08T04:05:24.065715Z","published_at":"2021-03-17T13:15:00Z","references":["https://osv.dev/vulnerability/PYSEC-2021-141","https://gist.github.com/b-c-ds/b1a2cc0c68a35c57188575eb496de5ce","https://github.com/pygments/pygments/commit/2e7e8c4a7b318f4032493773732754e418279a14","https://lists.debian.org/debian-lts-announce/2021/03/msg00024.html","https://www.debian.org/security/2021/dsa-4878","https://www.debian.org/security/2021/dsa-4889","https://lists.debian.org/debian-lts-announce/2021/05/msg00003.html","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WSLD67LFGXOX2K5YNESSWAS4AGZIJTUQ/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GSJRFHALQ7E3UV4FFMFU2YQ6LUDHAI55/","https://lists.debian.org/debian-lts-announce/2021/05/msg00006.html","https://github.com/advisories/GHSA-pq64-v7f5-gqh8"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2021-141","url":"https://osv.dev/vulnerability/PYSEC-2021-141"}],"summary":"In pygments 1.1+, fixed in 2.7.4, the lexers used to parse programming languages rely heavily on regular expressions. Some of the regular expressions have exponential or cubic worst-case complexity an"}