CVE-2018-20743

NameCVE-2018-20743
Descriptionmurmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the database, which allows remote attackers to cause a denial of service (daemon hang or crash) via a message flood.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1661-1, DSA-4402-1
Debian Bugs919249

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mumble (PTS)bullseye1.3.4-1fixed
bookworm1.3.4-4fixed
sid1.5.517-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mumblesourcejessie1.2.8-2+deb8u1DLA-1661-1
mumblesourcestretch1.2.18-1+deb9u1DSA-4402-1
mumblesource(unstable)1.3.0~git20190114.9fcc588+dfsg-1919249

Notes

https://github.com/mumble-voip/mumble/issues/3505
https://github.com/mumble-voip/mumble/pull/3510
https://github.com/mumble-voip/mumble/pull/3512
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