CVE-2010-2621: Digia Qt

Medium severity, CVSS 5.0. EPSS: 10.5% chance of exploitation in the next 30 days.

The QSslSocketBackendPrivate::transmit function in src_network_ssl_qsslsocket_openssl.cpp in Qt 4.6.3 and earlier allows remote attackers to cause a denial of service (infinite loop) via a malformed request.

Affected products

  • Digia Qt: up to and including 4.6.3
  • Qt Qt: version 4.0.0 only; version 4.0.1 only; version 4.1.0 only; version 4.1.1 only; version 4.1.2 only; version 4.1.3 only; …

Published 2010-07-02. Last modified 2026-06-16.