CVE-2010-4586

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-12-22 · updated 2026-06-16
Weakness: CWE-16

Description

The default configuration of Opera before 11.00 enables WebSockets functionality, which has unspecified impact and remote attack vectors, possibly a related issue to CVE-2010-4508.

Affected products

Opera Browser: through 11.00; 5.0, 5.0-beta2, 5.0-beta3, 5.0-beta4, 5.0-beta5, 5.0-beta6 (+105)

References

http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
http://secunia.com/advisories/42653
http://www.opera.com/docs/changelogs/mac/1100/
http://www.opera.com/docs/changelogs/unix/1100/
http://www.opera.com/docs/changelogs/windows/1100/
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
http://secunia.com/advisories/42653
http://www.opera.com/docs/changelogs/mac/1100/
http://www.opera.com/docs/changelogs/unix/1100/
http://www.opera.com/docs/changelogs/windows/1100/

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