DescriptionThe function "Token& Scanner::peek" in scanner.cpp in yaml-cpp 0.5.3 and earlier allows remote attackers to cause a denial of service (assertion failure and application exit) via a '!2' string.
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 severitymedium (attack range: remote)
Debian Bugs870326, 870327

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
yaml-cpp (PTS)jessie0.5.1-1vulnerable
buster, sid, stretch0.5.2-4vulnerable
yaml-cpp0.3 (PTS)jessie0.3.0-1.1vulnerable
buster, sid, stretch0.3.0-1.2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[stretch] - yaml-cpp <no-dsa> (Minor issue)
[jessie] - yaml-cpp <no-dsa> (Minor issue)
[wheezy] - yaml-cpp <no-dsa> (Minor issue)
[stretch] - yaml-cpp0.3 <no-dsa> (Minor issue)
[jessie] - yaml-cpp0.3 <no-dsa> (Minor issue)

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