DescriptionStack-based buffer overflow in the header_anchor function in the HTML renderer in Redcarpet before 3.3.2 allows attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ruby-redcarpet (PTS)stretch3.3.4-2fixed
stretch (security)3.3.4-2+deb9u1fixed
buster, buster (security)3.4.0-4+deb10u1fixed
bookworm, sid, bullseye3.5.1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ruby-redcarpetsource(unstable)(not affected)


- ruby-redcarpet <not-affected> (Affects v3.3.0 - v3.3.1)

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