CVE-2017-8847

NameCVE-2017-8847
DescriptionThe bufRead::get() function in libzpaq/libzpaq.h in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted archive.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2725-1
Debian Bugs863145

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
lrzip (PTS)bullseye (security), bullseye0.641-1+deb11u1fixed
bookworm0.651-2fixed
trixie, sid0.651-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
lrzipsourcestretch0.631-1+deb9u1DLA-2725-1
lrzipsource(unstable)0.631+git180517-1unimportant863145

Notes

https://github.com/ckolivas/lrzip/issues/67
https://blogs.gentoo.org/ago/2017/05/07/lrzip-null-pointer-dereference-in-bufreadget-libzpaq-h/
Crash in CLI tool, no security implications

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