CVE-2010-1766
Off-by-one error in the WebSocketHandshake::readServerHandshake function in websockets...
CVE-2010-1766 is a high vulnerability (CVSS 7.5) in Digia Qt, published July 22, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.25%, the 83rd percentile. No source names a fixed version.
- Severity
- 7.5 HighCVSS 2.0, NVD
- Exploit chance
- 2.25%EPSS, 83rd percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Off-by-one error in the WebSocketHandshake::readServerHandshake function in websockets/WebSocketHandshake.cpp in WebCore in WebKit before r56380, as used in Qt and other products, allows remote websockets servers to cause a denial of service (memory corruption) or possibly have unspecified other impact via an upgrade header that is long and invalid.
Exploit likelihood
What each source reports
NVD Score used
Off-by-one error in the WebSocketHandshake::readServerHandshake function in websockets/WebSocketHandshake.cpp in WebCore in WebKit before r56380, as used in Qt and other products, allows remote websockets servers to cause a denial of service (memory corruption) or possibly have unspecified other impact via an upgrade header that is long and invalid.
- Record
CVE-2010-1766- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-189
- Updated
- 2026-11-02
CVE ListNo score
Off-by-one error in the WebSocketHandshake::readServerHandshake function in websockets/WebSocketHandshake.cpp in WebCore in WebKit before r56380, as used in Qt and other products, allows remote websockets servers to cause a denial of service (memory corruption) or possibly have unspecified other impact via an upgrade header that is long and invalid.
- Record
CVE-2010-1766- Updated
- 2026-11-02
EUVDEUVD-2010-1786No score
Off-by-one error in the WebSocketHandshake::readServerHandshake function in websockets/WebSocketHandshake.cpp in WebCore in WebKit before r56380, as used in Qt and other products, allows remote websockets servers to cause a denial of service (memory corruption) or possibly have unspecified other impact via an upgrade header that is long and invalid.
- Record
EUVD-2010-1786- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6mww-pvfg-4qx6No score
Off-by-one error in the WebSocketHandshake::readServerHandshake function in websockets...
Off-by-one error in the WebSocketHandshake::readServerHandshake function in websockets/WebSocketHandshake.cpp in WebCore in WebKit before r56380, as used in Qt and other products, allows remote websockets servers to cause a denial of service (memory corruption) or possibly have unspecified other impact via an upgrade header that is long and invalid.
- Record
GHSA-6mww-pvfg-4qx6- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
mandriva.com/security/advisories?name=MDVSA-2011:039
vupen.com/english/advisories/2010/2722
lists.fedoraproject.org/pipermail/package-announce/2010-July/044031.html
secunia.com/advisories/43068
bugzilla.redhat.com/show_bug.cgi?id=596494
Show 11 moreShow less
ubuntu.com/usn/USN-1006-1
bugs.webkit.org/show_bug.cgi?id=36339
lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
trac.webkit.org/changeset/56380
nvd.nist.gov/vuln/detail/CVE-2010-1766
github.com/advisories/GHSA-6mww-pvfg-4qx6