CVE-2010-2621 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 10.5% (pctl 96)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 10.54% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2010-07-02 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| digia | qt |
| qt | qt |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Qt 4.6.3 - 'QSslSocketBackendPrivate::transmit()' Denial of Service | 2010-07-08 |
References
- 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
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