SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-18504

A crash and out-of-bounds read can occur when the buffer of a texture client is freed while it is still in use during graphic operations.

CRITICAL 9.8EPSS 1.79%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.79%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A crash and out-of-bounds read can occur when the buffer of a texture client is freed while it is still in use during graphic operations. This results is a potentially exploitable crash and the possibility of reading from the memory of the freed buffers. This vulnerability affects Firefox < 65.

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
1.79% probability · 77th percentile
CISA KEV
Not listed
Weakness
CWE-125
Affected
mozilla/firefox · canonical/ubuntu linux
Source
security@mozilla.org

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