CVE-2018-20573

NameCVE-2018-20573
DescriptionThe Scanner::EnsureTokensInQueue function in yaml-cpp (aka LibYaml-C++) 0.6.2 allows remote attackers to cause a denial of service (stack consumption and application crash) via a crafted YAML file.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs918147, 918148

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
yaml-cpp (PTS)buster0.6.2-4vulnerable
bullseye0.6.3-9fixed
bookworm0.7.0+dfsg-8fixed
sid, trixie0.8.0+dfsg-6fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
yaml-cppsource(unstable)0.6.3-1low918147
yaml-cpp0.3source(unstable)(unfixed)low918148

Notes

[buster] - yaml-cpp <no-dsa> (Minor issue)
[stretch] - yaml-cpp <no-dsa> (Minor issue)
[jessie] - yaml-cpp <postponed> (Minor issue)
[stretch] - yaml-cpp0.3 <no-dsa> (Minor issue)
[jessie] - yaml-cpp0.3 <postponed> (Minor issue)
https://github.com/jbeder/yaml-cpp/issues/655

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