CVE-2026-56001

FAUCET Score

A heap buffer overflow in BitmapScaleBitmaps in libXfont2 before 2.0.8 due to an overflowing 32bit size could be used by attackers able to access the X Server to execute code within the X server cont

First published: Jul 8, 2026Last modified: Jul 8, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 2.0.0, < 2.0.8CPE matchmatch criteria	cpe:2.3:a:x:libxfont::::::::

CVSS Data

CVSS version used by this source: 3.1

8.5HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

1.8

Impact Score

6.0

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.37%

Probability of exploitation in next 30 days

EPSS Percentile

29.1%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0037 is in the 17th percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

microsoftpatch availablevia msrc

Product: azl3 libXfont2 2.0.6-1 on Azure Linux 3.0Fixed in: 2.0.8-1

microsoftpatch availablevia msrc

Product: 21567-17084Fixed in: 2.0.8-1