SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2009-1838

The garbage-collection implementation in Mozilla Firefox before 3.0.11, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.17 sets an element's owner document to null in unspecified circumstances, which allows remote attackers to execute arbitrary…

HIGH 9.3EPSS 4.79%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.79%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

The garbage-collection implementation in Mozilla Firefox before 3.0.11, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.17 sets an element's owner document to null in unspecified circumstances, which allows remote attackers to execute arbitrary JavaScript with chrome privileges via a crafted event handler, related to an incorrect context for this event handler.

CVSS 2.0
9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS
4.79% probability · 91th percentile
CISA KEV
Not listed
Weakness
CWE-94
Affected
mozilla/firefox · mozilla/seamonkey · mozilla/thunderbird
Source
secalert@redhat.com

References

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