- Vulnerability/
- ZDI-CAN-25543
ZDI-CAN-25543: ZDI-25-141: X.Org Server XkbSizeKeySyms Heap-based Buffer Overflow Privilege Escalation Vulnerability
First published: Thu Mar 13 2025(Updated: )
This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2025-26596.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| X.Org Server |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-25543?
The severity of ZDI-CAN-25543 is rated at 7.8 on the CVSS scale, indicating a high potential for impact.
How do I fix ZDI-CAN-25543?
To fix ZDI-CAN-25543, update to the latest version of X.Org Server that addresses this vulnerability.
Who is affected by ZDI-CAN-25543?
Organizations using X.Org Server in their systems may be affected by ZDI-CAN-25543.
What type of vulnerability is ZDI-CAN-25543?
ZDI-CAN-25543 is a privilege escalation vulnerability that allows local attackers to gain elevated access.
What requirements must be met to exploit ZDI-CAN-25543?
An attacker must have the ability to execute low-privileged code on the target system to exploit ZDI-CAN-25543.
- collector/zdi-published
- source/ZDI
- alias/ZDI-CAN-25543
- agent/title
- agent/last-modified-date
- agent/source
- agent/first-publish-date
- agent/type
- agent/references
- agent/description
- agent/event
- agent/softwarecombine
- agent/tags
- agent/guess-ai
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/x.org foundation
- canonical/x.org server