DescriptionThe package handlebars before 4.7.7 are vulnerable to Prototype Pollution when selecting certain compiling options to compile templates coming from an untrusted source.
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
libjs-handlebars (PTS)stretch3:4.0.5-4vulnerable
node-handlebars (PTS)buster3:4.1.0-1+deb10u3vulnerable
bookworm, sid, bullseye3:4.7.6+~4.1.0-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[buster] - node-handlebars <no-dsa> (Minor issue; can be fixed via point release)
[stretch] - libjs-handlebars <postponed> (Minor issue; can be fixed in next update)

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