Ubuntu Security Notice 4594-1 - It was discovered that Quassel incorrectly handled Qdatastream protocol. A remote attacker could possibly use this issue to execute arbitrary code. It was discovered that Quassel incorrectly handled certain login requests. A remote attacker could possibly use this issue to cause a denial of service.
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Gentoo Linux Security Advisory 201806-4 - Multiple vulnerabilities have been found in Quassel, the worst of which could allow remote attackers to execute arbitrary code. Versions less than 0.12.5 are affected.
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Debian Linux Security Advisory 4189-1 - Two vulnerabilities were found in the Quassel IRC client, which could result in the execution of arbitrary code or denial of service.
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