SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-5100

A use-after-free vulnerability can occur when arguments passed to the "IsPotentiallyScrollable" function are freed while still in use by scripts.

HIGH 7.5EPSS 5.38%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (5.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A use-after-free vulnerability can occur when arguments passed to the "IsPotentiallyScrollable" function are freed while still in use by scripts. This results in a potentially exploitable crash. This vulnerability affects Firefox < 58.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
5.38% probability · 92th percentile
CISA KEV
Not listed
Weakness
CWE-416
Affected
mozilla/firefox · canonical/ubuntu linux
Source
security@mozilla.org

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