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The JavaScript engine in Opera before 11.60 does not properly implement the in operator, which allows remote attackers to bypass the Same Origin Policy via vectors related to variables on different web sites.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade linux-operaUpgrade opera-develUpgrade opera | Dec 10, 2025 | Dec 13, 2011 |
| Gentoo Linux | — | Upgrade www-client/opera. | Oct 30, 2017 | Dec 7, 2011 |
| Suse | — | Upgrade opera-gtkUpgrade operaUpgrade opera-kde4 | Dec 12, 2013 | Dec 7, 2011 |
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