FKIE_CVE-2025-49178
Vulnerability from fkie_nvd - Published: 2025-06-17 15:15 - Updated: 2026-06-30 11:16
Severity
Summary
A flaw was found in the X server's request handling. Non-zero 'bytes to ignore' in a client's request can cause the server to skip processing another client's request, potentially leading to a denial of service.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"collectionURL": "https://gitlab.freedesktop.org/xorg/xserver",
"defaultStatus": "unaffected",
"packageName": "xwayland",
"product": "xwayland",
"vendor": "X.Org",
"versions": [
{
"lessThan": "24.1.7",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:enterprise_linux:10.0"
],
"defaultStatus": "affected",
"packageName": "xorg-x11-server-Xwayland",
"product": "Red Hat Enterprise Linux 10",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:24.1.5-4.el10_0",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:rhel_els:6"
],
"defaultStatus": "affected",
"packageName": "tigervnc",
"product": "Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:1.1.0-25.el6_10.1",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:rhel_aus:7.7::server"
],
"defaultStatus": "affected",
"packageName": "tigervnc",
"product": "Red Hat Enterprise Linux 7.7 Advanced Update Support",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:1.8.0-17.el7_7.1",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:rhel_els:7"
],
"defaultStatus": "affected",
"packageName": "xorg-x11-server",
"product": "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:1.20.4-32.el7_9",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:rhel_els:7"
],
"defaultStatus": "affected",
"packageName": "tigervnc",
"product": "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:1.8.0-36.el7_9.2",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:enterprise_linux:8::appstream",
"cpe:/a:redhat:enterprise_linux:8::crb"
],
"defaultStatus": "affected",
"packageName": "xorg-x11-server",
"product": "Red Hat Enterprise Linux 8",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:1.20.11-26.el8_10",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:enterprise_linux:8::appstream",
"cpe:/a:redhat:enterprise_linux:8::crb"
],
"defaultStatus": "affected",
"packageName": "xorg-x11-server-Xwayland",
"product": "Red Hat Enterprise Linux 8",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:21.1.3-18.el8_10",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:enterprise_linux:8::appstream"
],
"defaultStatus": "affected",
"packageName": "tigervnc",
"product": "Red Hat Enterprise Linux 8",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:1.15.0-7.el8_10",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:rhel_aus:8.2::appstream"
],
"defaultStatus": "affected",
"packageName": "tigervnc",
"product": "Red Hat Enterprise Linux 8.2 Advanced Update Support",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:1.9.0-15.el8_2.14",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:rhel_aus:8.2::appstream"
],
"defaultStatus": "affected",
"packageName": "xorg-x11-server",
"product": "Red Hat Enterprise Linux 8.2 Advanced Update Support",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:1.20.6-4.el8_2",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:rhel_aus:8.4::appstream",
"cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"
],
"defaultStatus": "affected",
"packageName": "xorg-x11-server",
"product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:1.20.10-2.el8_4",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:rhel_aus:8.4::appstream",
"cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"
],
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"packageName": "tigervnc",
"product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
"vendor": "Red Hat",
"versions": [
{
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"status": "unaffected",
"version": "0:1.11.0-8.el8_4.13",
"versionType": "rpm"
}
]
},
{
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"cpes": [
"cpe:/a:redhat:rhel_aus:8.4::appstream",
"cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"
],
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"packageName": "xorg-x11-server",
"product": "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On",
"vendor": "Red Hat",
"versions": [
{
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"status": "unaffected",
"version": "0:1.20.10-2.el8_4",
"versionType": "rpm"
}
]
},
{
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"cpe:/a:redhat:rhel_aus:8.4::appstream",
"cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"
],
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"packageName": "tigervnc",
"product": "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On",
"vendor": "Red Hat",
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{
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"status": "unaffected",
"version": "0:1.11.0-8.el8_4.13",
"versionType": "rpm"
}
]
},
{
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"cpe:/a:redhat:rhel_e4s:8.6::appstream",
"cpe:/a:redhat:rhel_eus_long_life:8.6::appstream",
"cpe:/a:redhat:rhel_tus:8.6::appstream"
],
"defaultStatus": "affected",
"packageName": "tigervnc",
"product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:1.12.0-6.el8_6.14",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:rhel_aus:8.6::appstream",
"cpe:/a:redhat:rhel_e4s:8.6::appstream",
"cpe:/a:redhat:rhel_eus_long_life:8.6::appstream",
"cpe:/a:redhat:rhel_tus:8.6::appstream"
],
"defaultStatus": "affected",
"packageName": "xorg-x11-server-Xwayland",
"product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:21.1.3-2.el8_6.4",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:rhel_aus:8.6::appstream",
"cpe:/a:redhat:rhel_e4s:8.6::appstream",
"cpe:/a:redhat:rhel_tus:8.6::appstream"
],
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"packageName": "xorg-x11-server",
"product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:1.20.11-5.el8_6.3",
"versionType": "rpm"
}
]
},
{
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"cpe:/a:redhat:rhel_e4s:8.6::appstream",
"cpe:/a:redhat:rhel_eus_long_life:8.6::appstream",
"cpe:/a:redhat:rhel_tus:8.6::appstream"
],
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"vendor": "Red Hat",
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"versionType": "rpm"
}
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{
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"cpe:/a:redhat:rhel_e4s:8.6::appstream",
"cpe:/a:redhat:rhel_eus_long_life:8.6::appstream",
"cpe:/a:redhat:rhel_tus:8.6::appstream"
],
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"packageName": "xorg-x11-server-Xwayland",
"product": "Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On",
"vendor": "Red Hat",
"versions": [
{
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"status": "unaffected",
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"versionType": "rpm"
}
]
},
{
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"cpe:/a:redhat:rhel_e4s:8.6::appstream",
"cpe:/a:redhat:rhel_eus_long_life:8.6::appstream",
"cpe:/a:redhat:rhel_tus:8.6::appstream"
],
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"packageName": "tigervnc",
"product": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service",
"vendor": "Red Hat",
"versions": [
{
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"status": "unaffected",
"version": "0:1.12.0-6.el8_6.14",
"versionType": "rpm"
}
]
},
{
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"cpes": [
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"cpe:/a:redhat:rhel_e4s:8.6::appstream",
"cpe:/a:redhat:rhel_eus_long_life:8.6::appstream",
"cpe:/a:redhat:rhel_tus:8.6::appstream"
],
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]
},
{
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"cpe:/a:redhat:rhel_e4s:8.6::appstream",
"cpe:/a:redhat:rhel_tus:8.6::appstream"
],
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"versionType": "rpm"
}
]
},
{
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"cpes": [
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"cpe:/a:redhat:rhel_eus_long_life:8.6::appstream",
"cpe:/a:redhat:rhel_tus:8.6::appstream"
],
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"packageName": "tigervnc",
"product": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions",
"vendor": "Red Hat",
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]
},
{
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"cpe:/a:redhat:rhel_e4s:8.6::appstream",
"cpe:/a:redhat:rhel_eus_long_life:8.6::appstream",
"cpe:/a:redhat:rhel_tus:8.6::appstream"
],
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"vendor": "Red Hat",
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{
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}
]
},
{
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"cpes": [
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"cpe:/a:redhat:rhel_e4s:8.6::appstream",
"cpe:/a:redhat:rhel_tus:8.6::appstream"
],
"defaultStatus": "affected",
"packageName": "xorg-x11-server",
"product": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions",
"vendor": "Red Hat",
"versions": [
{
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"versionType": "rpm"
}
]
},
{
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],
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"packageName": "xorg-x11-server",
"product": "Red Hat Enterprise Linux 8.8 Extended Update Support Long-Life Add-On",
"vendor": "Red Hat",
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}
]
},
{
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{
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"defaultStatus": "affected",
"packageName": "xorg-x11-server",
"product": "Red Hat Enterprise Linux 9",
"vendor": "Red Hat",
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{
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}
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"vendor": "Red Hat",
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},
{
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"cpes": [
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"vendor": "Red Hat",
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],
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"vendor": "Red Hat",
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{
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}
]
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],
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"integrityImpact": "NONE",
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}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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