pandoc is vulnerable to denial of service. The table extension in GitHub Flavored Markdown takes O(n * n) time to parse certain inputs. An attacker could craft a markdown table which would take an unreasonably long time to process, causing a denial of service.
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/
access.redhat.com/errata/RHSA-2021:1972
access.redhat.com/security/updates/classification/#moderate
bugzilla.redhat.com/show_bug.cgi?id=1854328
github.com/github/cmark-gfm/commit/85d895289c5ab67f988ca659493a64abb5fec7b4
github.com/github/cmark-gfm/security/advisories/GHSA-7gc6-9qr5-hc85
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