SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2012-4191

The mozilla::net::FailDelayManager::Lookup function in the WebSockets implementation in Mozilla Firefox before 16.0.1, Thunderbird before 16.0.1, and SeaMonkey before 2.13.1 allows remote attackers to cause a denial of service (memory corruption and…

HIGH 9.3EPSS 3.87%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.87%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

The mozilla::net::FailDelayManager::Lookup function in the WebSockets implementation in Mozilla Firefox before 16.0.1, Thunderbird before 16.0.1, and SeaMonkey before 2.13.1 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors.

CVSS 2.0
9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS
3.87% probability · 90th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
mozilla/firefox · mozilla/seamonkey · mozilla/thunderbird · canonical/ubuntu linux
Source
cve@mitre.org

References

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