Mozilla Firefox 4.x through 11.0, Thunderbird 5.0 through 11.0, and SeaMonkey before 2.9 do not properly construct the Origin and Sec-WebSocket-Origin HTTP headers, which might allow remote attackers to bypass an IPv6 literal ACL via a cross-site (1) XMLHttpRequest or (2) WebSocket operation involving a nonstandard port number and an IPv6 address that contains certain zero fields.

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Advisories
Source ID Title
EUVD EUVD EUVD-2012-0507 Mozilla Firefox 4.x through 11.0, Thunderbird 5.0 through 11.0, and SeaMonkey before 2.9 do not properly construct the Origin and Sec-WebSocket-Origin HTTP headers, which might allow remote attackers to bypass an IPv6 literal ACL via a cross-site (1) XMLHttpRequest or (2) WebSocket operation involving a nonstandard port number and an IPv6 address that contains certain zero fields.
Ubuntu USN Ubuntu USN USN-1430-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-1430-3 Thunderbird vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 28 May 2025 15:00:00 +0000

Type Values Removed Values Added
References

Thu, 22 May 2025 04:45:00 +0000


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T18:23:31.021Z

Reserved: 2012-01-09T00:00:00

Link: CVE-2012-0475

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2012-04-25T10:10:17.683

Modified: 2025-04-11T00:51:21.963

Link: CVE-2012-0475

cve-icon Redhat

Severity :

Publid Date: 2012-04-24T00:00:00Z

Links: CVE-2012-0475 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses