CVE-2023-31606
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
—
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.
Predictions
Exploit likelihood
30%
Patch ETA
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Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | fixed | 4.3.3-1 |
| debian | sid | fixed | 4.3.3-1 |
| debian | trixie | fixed | 4.3.3-1 |
References
- https://github.com/e23e/CVE-2023-31606#readme
- https://nvd.nist.gov/vuln/detail/CVE-2023-31606
- https://github.com/jgarber/redcloth/issues/73
- https://github.com/jgarber/redcloth/commit/8b1327688fef8e6617792054ef299d7bc74c0a1e
- https://github.com/jgarber/redcloth
- https://github.com/jgarber/redcloth/blob/v4.3.2/lib/redcloth/formatters/html.rb#L327
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/RedCloth/CVE-2023-31606.yml
- https://lists.debian.org/debian-lts-announce/2023/07/msg00002.html
- https://security.gentoo.org/glsa/202401-14
- https://security-tracker.debian.org/tracker/CVE-2023-31606
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.