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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade quassel | Jul 30, 2024 | Jun 13, 2016 |
| Freebsd | — | Upgrade quassel | Dec 10, 2025 | Jul 7, 2016 |
| Suse | — | Upgrade quassel-coreUpgrade quassel-mono-debuginfoUpgrade quassel-client-debuginfoUpgrade quassel-monoUpgrade quassel-core-debuginfoUpgrade quassel-clientUpgrade quassel-baseUpgrade quassel-debugsource | May 17, 2016 | May 17, 2016 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Jun 13, 2016 |
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