High severity7.5NVD Advisory· Published Jun 6, 2023· Updated Jun 17, 2026
CVE-2023-31606
CVE-2023-31606
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
RedClothRubyGems | < 4.3.3 | 4.3.3 |
Affected products
3- redcloth/redcloth gemdescription
Patches
Vulnerability mechanics
References
8- github.com/jgarber/redcloth/issues/73nvdExploitIssue TrackingThird Party AdvisoryWEB
- github.com/advisories/GHSA-qcm3-vfq5-wfr2ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2023-31606ghsaADVISORY
- github.com/jgarber/redcloth/blob/v4.3.2/lib/redcloth/formatters/html.rbghsaWEB
- github.com/jgarber/redcloth/commit/8b1327688fef8e6617792054ef299d7bc74c0a1eghsaWEB
- github.com/rubysec/ruby-advisory-db/blob/master/gems/RedCloth/CVE-2023-31606.ymlghsaWEB
- lists.debian.org/debian-lts-announce/2023/07/msg00002.htmlnvdWEB
- security.gentoo.org/glsa/202401-14nvdWEB
News mentions
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