CVE-2016-4414

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-06-13 · updated 2026-06-17

Description

The onReadyRead function in core/coreauthhandler.cpp in Quassel before 0.12.4 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via invalid handshake data.

Affected products

Fedoraproject Fedora: 22, 23, 24
openSUSE Leap: 42.1
Opensuse: 13.2
Quassel-Irc Quassel: through 0.12.3

References

http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183571.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183585.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183746.html
http://lists.opensuse.org/opensuse-updates/2016-05/msg00063.html
http://quassel-irc.org/node/129
http://www.openwall.com/lists/oss-security/2016/04/30/2
http://www.openwall.com/lists/oss-security/2016/04/30/4
https://github.com/quassel/quassel/commit/e678873
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183571.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183585.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183746.html
http://lists.opensuse.org/opensuse-updates/2016-05/msg00063.html

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