CVE-2021-26948

NameCVE-2021-26948
DescriptionNull pointer dereference in the htmldoc v1.9.11 and before may allow attackers to execute arbitrary code and cause a denial of service via a crafted html file.
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)buster1.9.3-1+deb10u4fixed
buster (security)1.9.3-1+deb10u2fixed
bullseye1.9.11-4+deb11u3fixed
bookworm1.9.16-1fixed
trixie1.9.17-1fixed
sid1.9.18-1fixed

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/410
https://github.com/michaelrsweet/htmldoc/commit/008861d8339c6ec777e487770b70b95b1ed0c1d2
Crash in CLI tool, no security impact

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