CVE-2016-9909

NameCVE-2016-9909
DescriptionThe serializer in html5lib before 0.99999999 might allow remote attackers to conduct cross-site scripting (XSS) attacks by leveraging mishandling of the < (less than) character in attribute values.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
html5lib (PTS)buster1.0.1-1fixed
bookworm, bullseye1.1-3fixed
sid, trixie1.1-6fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
html5libsource(unstable)0.999999999-1

Notes

[jessie] - html5lib <no-dsa> (Minor issue)
[wheezy] - html5lib <no-dsa> (Minor issue)
Fixed by: https://github.com/html5lib/html5lib-python/commit/9b8d8eb5afbc066b7fac9390f5ec75e5e8a7cab7
https://www.sourceclear.com/registry/security/cross-site-scripting-xss-/python/sid-3068
https://www.openwall.com/lists/oss-security/2016/12/06/5

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