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CVE-2010-1766
Off-by-one error in the WebSocketHandshake::readServerHandshake function in websockets/WebSocketHandshake.cpp in WebCore in WebKit before…
High7.5EPSS 2.3%
- Published
- Updated
- Reserved
- Assigned by
- apple
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 2.3% · top 17% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (15)
- MDVSA-2011:039 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- ADV-2010-2722 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- FEDORA-2010-11020 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 43068 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- ADV-2010-1801 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=596494 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-1006-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 41856 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- ADV-2011-0212 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- https://bugs.webkit.org/show_bug.cgi?id=36339 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 40557 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SUSE-SR:2011:002 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- FEDORA-2010-11011 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- ADV-2011-0552 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- http://trac.webkit.org/changeset/56380 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2010-1766)Record last updated .