SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-1962

Use-after-free vulnerability in the mozilla::DataChannelConnection::Close function in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 allows remote attackers to execute arbitrary code by leveraging mishandling of WebRTC data-channel…

CRITICAL 9.8EPSS 6.08%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (6.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Use-after-free vulnerability in the mozilla::DataChannelConnection::Close function in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 allows remote attackers to execute arbitrary code by leveraging mishandling of WebRTC data-channel connections.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
6.08% probability · 93th percentile
CISA KEV
Not listed
Affected
mozilla/firefox · opensuse/opensuse · oracle/linux
Source
security@mozilla.org

References

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