CVE Tools
Sign in

CVE-2025-62231

Xorg: xmayland: value overflow in xkbsetcompatmap()

Published: Oct 30, 2025Updated: Apr 20, 2026 Sources: CVE List NVD BDUCWE-190
NVD MITRE
7.3CVSSHIGH
EPSS Score
0.3%
Top 83.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A flaw was identified in the X.Org X server’s X Keyboard (Xkb) extension where improper bounds checking in the XkbSetCompatMap() function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a crash.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:LA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:LIntegrity
Low
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-190

Affected Products

XwaylandX.Org
On-prem
Operating Systems / linux-distro
Red Hat Enterprise Linux 10Red Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSIONRed Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8Red Hat
On-premOS
Operating Systems / linux-distro
x.orgoss-projectUSOperating Systems
red hatcommercialUSOperating Systemsaka red hat
and 34 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://access.redhat.com/errata/RHSA-2025:19432
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:19433
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:19434
access.redhat.com
and 45 more references View all →

Timeline

Published
Oct 30, 2025
Last Updated
Apr 20, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2025-62231 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows