CVE-2023-31606: Inefficient Regular Expression Complexity
(updated )
A Regular Expression Denial of Service (ReDoS) issue was discovered in the sanitize_html function of redcloth gem v4.0.0. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted payload.
References
- github.com/advisories/GHSA-qcm3-vfq5-wfr2
- github.com/e23e/CVE-2023-31606
- github.com/jgarber/redcloth
- github.com/jgarber/redcloth/blob/v4.3.2/lib/redcloth/formatters/html.rb
- github.com/jgarber/redcloth/issues/73
- github.com/rubysec/ruby-advisory-db/blob/master/gems/RedCloth/CVE-2023-31606.yml
- lists.debian.org/debian-lts-announce/2023/07/msg00002.html
- nvd.nist.gov/vuln/detail/CVE-2023-31606
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