CVE-2021-23180

NameCVE-2021-23180
DescriptionA flaw was found in htmldoc in v1.9.12 and before. Null pointer dereference in file_extension(),in file.c may lead to execute arbitrary code and denial of service.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2700-1, DSA-4928-1
Debian Bugs989437

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
htmldoc (PTS)bullseye1.9.11-4+deb11u3fixed
bookworm1.9.16-1fixed
trixie1.9.18-3fixed
sid1.9.19-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
htmldocsourcestretch1.8.27-8+deb9u1DLA-2700-1
htmldocsourcebuster1.9.3-1+deb10u2DSA-4928-1
htmldocsource(unstable)1.9.11-4unimportant989437

Notes

https://github.com/michaelrsweet/htmldoc/issues/418
https://github.com/michaelrsweet/htmldoc/commit/19c582fb32eac74b57e155cffbb529377a9e751a
Crash in CLI tool, no security impact

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