Description
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.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
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 |
USN-1430-1 | Firefox vulnerabilities |
Ubuntu USN |
USN-1430-3 | Thunderbird vulnerabilities |
References
History
Wed, 28 May 2025 15:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
Thu, 22 May 2025 04:45:00 +0000
| Type | Values Removed | Values Added |
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| References |
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-06T18:23:31.021Z
Reserved: 2012-01-09T00:00:00.000Z
Link: CVE-2012-0475
No data.
Status : Modified
Published: 2012-04-25T10:10:17.683
Modified: 2026-04-29T01:13:23.040
Link: CVE-2012-0475
OpenCVE Enrichment
No data.
Weaknesses
EUVD
Ubuntu USN