CVE-2018-19519

NameCVE-2018-19519
DescriptionIn tcpdump 4.9.2, a stack-based buffer over-read exists in the print_prefix function of print-hncp.c via crafted packet data because of missing initialization.
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
tcpdump (PTS)jessie, jessie (lts)4.9.3-1~deb8u2vulnerable
stretch (security), stretch (lts), stretch4.9.3-1~deb9u2vulnerable
buster4.9.3-1~deb10u2vulnerable
buster (security)4.9.3-1~deb10u1vulnerable
bullseye4.99.0-2+deb11u1vulnerable
bookworm4.99.3-1vulnerable
sid, trixie4.99.4-4vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tcpdumpsource(unstable)(unfixed)unimportant

Notes

https://github.com/the-tcpdump-group/tcpdump/issues/763
https://github.com/zyingp/temp/blob/master/tcpdump.md
Crash in CLI tool, no security impact

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