| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 27.0 | 27.0 |
| seamonkey | < 2.24 | 2.24 |
The Web workers implementation in Mozilla Firefox before 27.0 and SeaMonkey before 2.24 allows remote attackers to execute arbitrary code via vectors involving termination of a worker process that has performed a cross-thread object-passing operation in conjunction with use of asm.js.
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