CVE-2010-1207

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-07-30 · updated 2026-06-16
Weakness: CWE-264

Description

Mozilla Firefox before 3.6.7 and Thunderbird before 3.1.1 do not properly implement read restrictions for CANVAS elements, which allows remote attackers to obtain sensitive cross-origin information via vectors involving reference retention and node deletion.

Affected products

Mozilla Firefox: through 3.6.6; 3.6, 3.6.2, 3.6.3, 3.6.4
Mozilla Thunderbird: through 3.1

References

http://www.mozilla.org/security/announce/2010/mfsa2010-43.html
https://bugzilla.mozilla.org/show_bug.cgi?id=571287
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11887
http://www.mozilla.org/security/announce/2010/mfsa2010-43.html
https://bugzilla.mozilla.org/show_bug.cgi?id=571287
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11887

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