| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 28.0 | 28.0 |
| seamonkey | < 2.25 | 2.25 |
Mozilla Firefox before 28.0 and SeaMonkey before 2.25 allow remote attackers to cause a denial of service (resource consumption and application hang) via onbeforeunload events that trigger background JavaScript execution.
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