CVE-2019-11778

NameCVE-2019-11778
DescriptionIf an MQTT v5 client connects to Eclipse Mosquitto versions 1.6.0 to 1.6.4 inclusive, sets a last will and testament, sets a will delay interval, sets a session expiry interval, and the will delay interval is set longer than the session expiry interval, then a use after free error occurs, which has the potential to cause a crash in some situations.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mosquitto (PTS)jessie1.3.4-2+deb8u1fixed
jessie (security)1.3.4-2+deb8u4fixed
stretch (security), stretch1.4.10-3+deb9u4fixed
buster, buster (security)1.5.7-1+deb10u1fixed
bullseye, sid1.6.9-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mosquittosource(unstable)1.6.6-1
mosquittosourcebuster(not affected)
mosquittosourcejessie(not affected)
mosquittosourcestretch(not affected)

Notes

[buster] - mosquitto <not-affected> (Session expiry interval support introduced in 1.6)
[stretch] - mosquitto <not-affected> (Session expiry interval support introduced in 1.6)
[jessie] - mosquitto <not-affected> (Session expiry interval support introduced in 1.6)
https://bugs.eclipse.org/bugs/show_bug.cgi?id=551162
https://github.com/eclipse/mosquitto/issues/1401
https://github.com/eclipse/mosquitto/commit/8407c6d146d1e8299127737d9735afc782e04ea8
https://github.com/eclipse/mosquitto/commit/6f3e7b9ceb43e2626a32340c26b69ac8ae5e9c8c
https://mosquitto.org/blog/2019/09/version-1-6-6-released/

Search for package or bug name: Reporting problems