CVE-2025-49177 | THREATINT

Description

A flaw was found in the XFIXES extension. The XFixesSetClientDisconnectMode handler does not validate the request length, allowing a client to read unintended memory from previous requests.

Reserved 2025-06-03 | Published 2025-06-17 | Updated 2025-06-17 | Assigner redhat

MEDIUM: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Problem types

Exposure of Sensitive Information to an Unauthorized Actor

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affected

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affected

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affected

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affected

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affected

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affected

Timeline

2025-06-03:	Reported to Red Hat.
2025-06-17:	Made public.

Credits

Red Hat would like to thank Julian Suleder and Nils Emmerich for reporting this issue.

References

access.redhat.com/security/cve/CVE-2025-49177 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2369955 (RHBZ#2369955) issue-tracking

cve.org (CVE-2025-49177)

nvd.nist.gov (CVE-2025-49177)

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