Vulnerability Report

CVE-2010-2621

Title: Digia Qt Denial of Service (DoS)

DoS

Proof Of Concept

PoC Available for CVE-2010-2621

CWE Category CWE-20

Published Date Jul 02, 2010

Modified Date Jun 16, 2026

Exploit Status Available

Score 5.0 CVSS v2.0

Exploit Probability (EPSS)

10.54%

Vulnerability Summary

CVE-2010-2621: 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.

Impacted Vendors

qt 1

digia 1

trolltech 1

Reference Links

http://aluigi.org/adv/qtsslame-adv.txt http://aluigi.org/poc/qtsslame.zip http://osvdb.org/65860 http://qt.gitorious.org/qt/qt/commit/c25c7c9bdfade6b906f37ac8bad44f6f0de57597 http://secunia.com/advisories/40389 http://secunia.com/advisories/46410 http://www.securityfocus.com/bid/41250 http://www.vupen.com/english/advisories/2010/1657 https://hermes.opensuse.org/messages/12056605 http://aluigi.org/adv/qtsslame-adv.txt http://aluigi.org/poc/qtsslame.zip http://osvdb.org/65860 http://qt.gitorious.org/qt/qt/commit/c25c7c9bdfade6b906f37ac8bad44f6f0de57597 http://secunia.com/advisories/40389 http://secunia.com/advisories/46410 http://www.securityfocus.com/bid/41250 http://www.vupen.com/english/advisories/2010/1657 https://hermes.opensuse.org/messages/12056605

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2010-2621 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/14268

View Code

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

July 02, 2010 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.