SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2009-2462

The browser engine in Mozilla Firefox before 3.0.12 and Thunderbird allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to (1) the frame chain and…

HIGH 10.0EPSS 5.41%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (5.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

The browser engine in Mozilla Firefox before 3.0.12 and Thunderbird allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to (1) the frame chain and synchronous events, (2) a SetMayHaveFrame assertion and nsCSSFrameConstructor::CreateFloatingLetterFrame, (3) nsCSSFrameConstructor::ConstructFrame, (4) the child list and initial reflow, (5) GetLastSpecialSibling, (6) nsFrameManager::GetPrimaryFrameFor and MathML, (7) nsFrame::GetBoxAscent, (8) nsCSSFrameConstructor::AdjustParentFrame, (9) nsDOMOfflineResourceList, and (10) nsContentUtils::ComparePosition.

CVSS 2.0
10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS
5.41% probability · 92th percentile
CISA KEV
Not listed
Weakness
CWE-399
Affected
mozilla/firefox · mozilla/thunderbird
Source
secalert@redhat.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.