VIR Vulnerability Intelligence Relay

CVE-2012-0475

low
Published 2012-04-25 · Modified 2026-04-29
CVSS v3
—
CVSS v2
2.6
VIR risk
2.6

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.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://www.mozilla.org/security/announce/2012/mfsa2012-28.html

Application impact
VendorProductVersionsFixed
mozillafirefox4.0
mozillafirefox4.0.1
mozillafirefox5.0
mozillafirefox5.0.1
mozillafirefox6.0
mozillafirefox6.0.1
mozillafirefox6.0.2
mozillafirefox7.0
mozillafirefox7.0.1
mozillafirefox8.0
mozillafirefox8.0.1
mozillafirefox9.0
mozillafirefox9.0.1
mozillafirefox10.0
mozillafirefox10.0.1
mozillafirefox10.0.2
mozillafirefox11.0
mozillathunderbird5.0
mozillathunderbird6.0
mozillathunderbird6.0.1
mozillathunderbird6.0.2
mozillathunderbird7.0
mozillathunderbird7.0.1
mozillathunderbird8.0
mozillathunderbird9.0
mozillathunderbird9.0.1
mozillathunderbird10.0
mozillathunderbird10.0.1
mozillathunderbird10.0.2
mozillathunderbird10.0.3
mozillathunderbird10.0.4
mozillathunderbird11.0
mozillaseamonkey{"endIncluding":"2.9"}
mozillaseamonkey1.0
mozillaseamonkey1.0.1
mozillaseamonkey1.0.2
mozillaseamonkey1.0.3
mozillaseamonkey1.0.4
mozillaseamonkey1.0.5
mozillaseamonkey1.0.6
mozillaseamonkey1.0.7
mozillaseamonkey1.0.8
mozillaseamonkey1.0.9
mozillaseamonkey1.1
mozillaseamonkey1.1.1
mozillaseamonkey1.1.2
mozillaseamonkey1.1.3
mozillaseamonkey1.1.4
mozillaseamonkey1.1.5
mozillaseamonkey1.1.6
mozillaseamonkey1.1.7
mozillaseamonkey1.1.8
mozillaseamonkey1.1.9
mozillaseamonkey1.1.10
mozillaseamonkey1.1.11
mozillaseamonkey1.1.12
mozillaseamonkey1.1.13
mozillaseamonkey1.1.14
mozillaseamonkey1.1.15
mozillaseamonkey1.1.16
mozillaseamonkey1.1.17
mozillaseamonkey1.1.18
mozillaseamonkey1.1.19
mozillaseamonkey1.5.0.8
mozillaseamonkey1.5.0.9
mozillaseamonkey1.5.0.10
mozillaseamonkey2.0
mozillaseamonkey2.0.1
mozillaseamonkey2.0.2
mozillaseamonkey2.0.3
mozillaseamonkey2.0.4
mozillaseamonkey2.0.5
mozillaseamonkey2.0.6
mozillaseamonkey2.0.7
mozillaseamonkey2.0.8
mozillaseamonkey2.0.9
mozillaseamonkey2.0.10
mozillaseamonkey2.0.11
mozillaseamonkey2.0.12
mozillaseamonkey2.0.13
mozillaseamonkey2.0.14
mozillaseamonkey2.1
mozillaseamonkey2.2
mozillaseamonkey2.3
mozillaseamonkey2.3.1
mozillaseamonkey2.3.2
mozillaseamonkey2.3.3
mozillaseamonkey2.4
mozillaseamonkey2.4.1
mozillaseamonkey2.5
mozillaseamonkey2.6
mozillaseamonkey2.6.1
mozillaseamonkey2.7
mozillaseamonkey2.7.1
mozillaseamonkey2.7.2
mozillaseamonkey2.8
mozillaseamonkey2.9

References

CWEs

CWE-264

Verify integrity in audit chain (admin only). AS-IS.