DescriptionIn BlueZ 5.42, a buffer overflow was observed in "read_n" function in "tools/hcidump.c" source file. This issue can be triggered by processing a corrupted dump file and will result in hcidump crash.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs847837

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
bluez (PTS)buster5.50-1.2~deb10u2vulnerable
buster (security)5.50-1.2~deb10u4vulnerable
bullseye (security), bullseye5.55-3.1+deb11u1vulnerable
bookworm, bookworm (security)5.66-1+deb12u1vulnerable
sid, trixie5.71-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs

Crash in hcidump CLI tool, no security impact

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