HIGH7.5

GHSA-qcm3-vfq5-wfr2

RedCloth Regular Expression Denial of Service issue

Quick fix

GHSA-qcm3-vfq5-wfr2 — RedCloth: upgrade to the fixed version with the command below.

bundle update RedCloth

Details

A Regular Expression Denial of Service (ReDoS) issue was discovered in the `sanitize_html` function of RedCloth gem. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted payload.

Are you affected?

Enter the version of the package you're using.

Affected packages

RubyGems/RedCloth

Introduced in: 0Fixed in: 4.3.3

Fixbundle update RedCloth

References

https://nvd.nist.gov/vuln/detail/CVE-2023-31606[ADVISORY]
https://github.com/jgarber/redcloth/issues/73[WEB]
https://github.com/jgarber/redcloth/commit/8b1327688fef8e6617792054ef299d7bc74c0a1e[WEB]
https://github.com/e23e/CVE-2023-31606#readme[WEB]
https://github.com/jgarber/redcloth[PACKAGE]
https://github.com/jgarber/redcloth/blob/v4.3.2/lib/redcloth/formatters/html.rb#L327[WEB]
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/RedCloth/CVE-2023-31606.yml[WEB]
https://lists.debian.org/debian-lts-announce/2023/07/msg00002.html[WEB]
https://security.gentoo.org/glsa/202401-14[WEB]