CVE-2010-4508

CRITICAL 10.0CVE-2010-4508 · Published 09/12/2010 · updated 16/06/2026

In short

CVE-2010-4508 is a CRITICAL (CVSS 10.0) vulnerability affecting firefox (mozilla).
Chance of exploitation in the next 30 days (EPSS): 1.3%, higher than 70.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
firefox mozilla	`= 4.0`	No fix yet

Description

The WebSockets implementation in Mozilla Firefox 4 through 4.0 Beta 7 does not properly perform proxy upgrade negotiation, which has unspecified impact and remote attack vectors, related to an "inherent problem" with the WebSocket specification.

References

lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
osvdb.org/69758
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12251
wiki.mozilla.org/Platform/2010-12-07

More vulnerabilities in firefox

See all →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free

Package

Affected versions

Patched versions

firefox

mozilla

= 4.0

No fix yet

More vulnerabilities in firefox

See all →