DescriptionDue to a bug in packet data buffers management, the PPP printer in tcpdump can enter an infinite loop when reading a crafted DLT_PPP_SERIAL .pcap savefile. This problem does not affect any tcpdump release, but it affected the git master branch from 2023-06-05 to 2024-03-21.
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~deb8u2fixed
stretch (security), stretch (lts), stretch4.9.3-1~deb9u2fixed
buster (security)4.9.3-1~deb10u1fixed
sid, trixie4.99.4-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tcpdumpsource(unstable)(not affected)


- tcpdump <not-affected> (Vulnerable code not present in any version uploaded to Debian)
Introduced by:
Fixed by:

Search for package or bug name: Reporting problems