Mozilla · Firefox · CVE-2009-1302
**Name of the Vulnerable Software and Affected Versions**
Mozilla Firefox versions 3.x through 3.0.8
Thunderbird versions prior to 2.0.0.22
SeaMonkey versions prior to 1.1.16
**Description**
The issue allows remote attackers to cause a denial of service, potentially leading to application crashes and memory corruption. This is achieved through various vectors, including `nsAsyncInstantiateEvent::Run`, `nsStyleContext::Destroy`, `nsComputedDOMStyle::GetWidth`, the `xslt attributeset ImportSameName.html` test case, `nsXULDocument::SynchronizeBroadcastListener`, `IsBindingAncestor`, `PL DHashTableOperate` and `nsEditor::EndUpdateViewBatch`, and `gfxSkipCharsIterator::SetOffsets`.
**Recommendations**
For Mozilla Firefox versions 3.x through 3.0.8, update to version 3.0.9 or later.
For Thunderbird versions prior to 2.0.0.22, update to version 2.0.0.22 or later.
For SeaMonkey versions prior to 1.1.16, update to version 1.1.16 or later.