CVE Database


Impact: Critical
Public: 2009-04-21
Bugzilla: 496252: CVE-2009-1302 Firefox 3 Layout engine crashes


The MITRE CVE dictionary describes this issue as:

The browser engine in Mozilla Firefox 3.x before 3.0.9, Thunderbird before, and SeaMonkey before 1.1.16 allows remote attackers to cause a denial of service (application crash) and possibly trigger memory corruption via vectors related to (1) nsAsyncInstantiateEvent::Run, (2) nsStyleContext::Destroy, (3) nsComputedDOMStyle::GetWidth, (4) the xslt_attributeset_ImportSameName.html test case for the XSLT stylesheet compiler, (5) nsXULDocument::SynchronizeBroadcastListener, (6) IsBindingAncestor, (7) PL_DHashTableOperate and nsEditor::EndUpdateViewBatch, and (8) gfxSkipCharsIterator::SetOffsets, and other vectors.

Find out more about CVE-2009-1302 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

Base Score: 6.8
Base Metrics: AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector: Network
Access Complexity: Medium
Authentication: None
Confidentiality Impact: Partial
Integrity Impact: Partial
Availability Impact: Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Red Hat Enterprise Linux version 4 (firefox) RHSA-2009:0436 April 22, 2009
Red Hat Enterprise Linux version 5 (firefox) RHSA-2009:0436 April 22, 2009

External References

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For clarification or corrections please contact the Red Hat Security Response Team.