CVE-2021-46828

NameCVE-2021-46828
DescriptionIn libtirpc before 1.3.3rc1, remote attackers could exhaust the file descriptors of a process that uses libtirpc because idle TCP connections are mishandled. This can, in turn, lead to an svc_run infinite loop without accepting new connections.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3071-1, DSA-5200-1
Debian Bugs1015873

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libtirpc (PTS)buster1.1.4-0.4vulnerable
buster (security)1.1.4-0.4+deb10u1fixed
bullseye1.3.1-1vulnerable
bullseye (security)1.3.1-1+deb11u1fixed
bookworm, sid1.3.3+ds-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libtirpcsourcebuster1.1.4-0.4+deb10u1DLA-3071-1
libtirpcsourcebullseye1.3.1-1+deb11u1DSA-5200-1
libtirpcsource(unstable)1.3.2-2.11015873

Notes

Fixed by: http://git.linux-nfs.org/?p=steved/libtirpc.git;a=commit;h=86529758570cef4c73fb9b9c4104fdc510f701ed (libtirpc-1-3-3-rc1)
Introduced by: http://git.linux-nfs.org/?p=steved/libtirpc.git;a=commit;h=b2c9430f46c4ac848957fb8adaac176a3f6ac03f (libtirpc-0-3-3-rc3)

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