Descriptionrpcapd/daemon.c in libpcap before 1.9.1 on non-Windows platforms provides details about why authentication failed, which might make it easier for attackers to enumerate valid usernames.
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
libpcap (PTS)bullseye1.10.0-2fixed
sid, trixie1.10.4-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libpcapsourcejessie(not affected)
libpcapsourcestretch(not affected)
libpcapsourcebuster(not affected)


[buster] - libpcap <not-affected> (Vulnerable code introduced in 1.9.0)
[stretch] - libpcap <not-affected> (Vulnerable code introduced in 1.9.0)
[jessie] - libpcap <not-affected> (Vulnerable code introduced in 1.9.0)
rpcapd not build in Debian.

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