CVE-2025-49176 (GCVE-0-2025-49176)
Vulnerability from cvelistv5 – Published: 2025-06-17 14:49 – Updated: 2025-12-11 15:34
VLAI?
Title
Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in big requests extension
Summary
A flaw was found in the Big Requests extension. The request length is multiplied by 4 before checking against the maximum allowed size, potentially causing an integer overflow and bypassing the size check.
Severity ?
7.3 (High)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
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| X.Org | xwayland |
Affected:
0 , < 24.1.7
(semver)
|
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Credits
Red Hat would like to thank Julian Suleder and Nils Emmerich for reporting this issue.
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"cveMetadata": "{\"cveId\": \"CVE-2025-49176\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-12-11T15:34:07.129Z\", \"dateReserved\": \"2025-06-03T05:38:02.947Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2025-06-17T14:49:49.143Z\", \"assignerShortName\": \"redhat\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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