| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | = 17.0= 17.0.1= 17.0.2= 17.0.3= 17.0.4= 17.0.5= 17.0.6= 19.0= 19.0.1= 19.0.2= 20.0= 20.0.1≤ 21.0 | |
| thunderbird | = 17.0= 17.0.1= 17.0.2= 17.0.3= 17.0.4= 17.0.5≤ 17.0.6 | |
| thunderbird esr | = 17.0= 17.0.1= 17.0.2= 17.0.3= 17.0.4= 17.0.5= 17.0.6 |
The PreserveWrapper implementation in Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 does not properly handle the lack of a wrapper, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code by leveraging unintended clearing of the wrapper cache's preserved-wrapper flag.
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