| Name | CVE-2018-19519 |
| Description | In 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. |
| Source | CVE (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 Package | Release | Version | Status |
|---|
| tcpdump (PTS) | jessie, jessie (lts) | 4.9.3-1~deb8u2 | vulnerable |
| stretch (security), stretch (lts), stretch | 4.9.3-1~deb9u2 | vulnerable |
| buster | 4.9.3-1~deb10u2 | vulnerable |
| buster (security), buster (lts) | 4.9.3-1~deb10u1 | vulnerable |
| bullseye | 4.99.0-2+deb11u1 | vulnerable |
| bookworm | 4.99.3-1 | vulnerable |
| sid, trixie | 4.99.5-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| tcpdump | source | (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