SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-8728

An exploitable heap out of bounds write vulnerability exists in the Fitz graphical library part of the MuPDF renderer.

HIGH 7.8EPSS 1.78%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.78%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An exploitable heap out of bounds write vulnerability exists in the Fitz graphical library part of the MuPDF renderer. A specially crafted PDF file can cause a out of bounds write resulting in heap metadata and sensitive process memory corruption leading to potential code execution. Victim needs to open the specially crafted file in a vulnerable reader in order to trigger this vulnerability.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
1.78% probability · 77th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
artifex/mupdf
Source
talos-cna@cisco.com

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