Out-of-Bounds Read Vulnerability in X Rendering Extension of Red Hat Products
CVE-2025-49175

6.1MEDIUM

What is CVE-2025-49175?

An identified flaw within the X Rendering extension compromises the handling of animated cursors. If a client omits cursor data, the server mistakenly assumes that at least one cursor is present, resulting in an out-of-bounds read. This condition may lead to unexpected behaviors, including possible server crashes, thereby impacting the stability and security of systems leveraging the affected extension.

Affected Version(s)

Red Hat Enterprise Linux 10 0:24.1.5-4.el10_0

Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION 0:1.1.0-25.el6_10.1

Red Hat Enterprise Linux 7 Extended Lifecycle Support 0:1.20.4-32.el7_9

References

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Red Hat would like to thank Julian Suleder and Nils Emmerich for reporting this issue.
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CVE-2025-49175 : Out-of-Bounds Read Vulnerability in X Rendering Extension of Red Hat Products