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

5.5MEDIUM

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.

References

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
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