cve-2025-49176
Vulnerability from cvelistv5
Published
2025-06-17 14:49
Modified
2025-06-25 08:05
Severity ?
EPSS score ?
Summary
Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in big requests extension
References
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-49176",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-06-17T14:58:49.779795Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-06-17T14:59:07.660Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2025-06-18T18:03:59.081Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2025/06/18/2"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"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:/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:enterprise_linux:9::crb",
"cpe:/a:redhat:enterprise_linux:9::appstream"
],
"defaultStatus": "affected",
"packageName": "xorg-x11-server",
"product": "Red Hat Enterprise Linux 9",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:1.20.11-31.el9_6",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:enterprise_linux:9::crb",
"cpe:/a:redhat:enterprise_linux:9::appstream"
],
"defaultStatus": "affected",
"packageName": "xorg-x11-server-Xwayland",
"product": "Red Hat Enterprise Linux 9",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:23.2.7-4.el9_6",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/a:redhat:enterprise_linux:9::appstream"
],
"defaultStatus": "affected",
"packageName": "tigervnc",
"product": "Red Hat Enterprise Linux 9",
"vendor": "Red Hat",
"versions": [
{
"lessThan": "*",
"status": "unaffected",
"version": "0:1.14.1-8.el9_6",
"versionType": "rpm"
}
]
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:enterprise_linux:6"
],
"defaultStatus": "affected",
"packageName": "tigervnc",
"product": "Red Hat Enterprise Linux 6",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:enterprise_linux:6"
],
"defaultStatus": "affected",
"packageName": "xorg-x11-server",
"product": "Red Hat Enterprise Linux 6",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:enterprise_linux:7"
],
"defaultStatus": "affected",
"packageName": "tigervnc",
"product": "Red Hat Enterprise Linux 7",
"vendor": "Red Hat"
},
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:enterprise_linux:7"
],
"defaultStatus": "affected",
"packageName": "xorg-x11-server",
"product": "Red Hat Enterprise Linux 7",
"vendor": "Red Hat"
}
],
"credits": [
{
"lang": "en",
"value": "Red Hat would like to thank Julian Suleder and Nils Emmerich for reporting this issue."
}
],
"datePublic": "2025-06-17T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"metrics": [
{
"other": {
"content": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"value": "Important"
},
"type": "Red Hat severity rating"
}
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.6,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-190",
"description": "Integer Overflow or Wraparound",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-06-25T08:05:23.598Z",
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat"
},
"references": [
{
"name": "RHSA-2025:9303",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2025:9303"
},
{
"name": "RHSA-2025:9304",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2025:9304"
},
{
"name": "RHSA-2025:9305",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2025:9305"
},
{
"name": "RHSA-2025:9306",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2025:9306"
},
{
"name": "RHSA-2025:9392",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2025:9392"
},
{
"tags": [
"vdb-entry",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/security/cve/CVE-2025-49176"
},
{
"name": "RHBZ#2369954",
"tags": [
"issue-tracking",
"x_refsource_REDHAT"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2369954"
}
],
"timeline": [
{
"lang": "en",
"time": "2025-06-03T07:10:25.307000+00:00",
"value": "Reported to Red Hat."
},
{
"lang": "en",
"time": "2025-06-17T00:00:00+00:00",
"value": "Made public."
}
],
"title": "Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in big requests extension",
"workarounds": [
{
"lang": "en",
"value": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."
}
],
"x_redhatCweChain": "CWE-190: Integer Overflow or Wraparound"
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2025-49176",
"datePublished": "2025-06-17T14:49:49.143Z",
"dateReserved": "2025-06-03T05:38:02.947Z",
"dateUpdated": "2025-06-25T08:05:23.598Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2025-49176\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2025-06-17T15:15:45.470\",\"lastModified\":\"2025-06-23T19:15:24.090\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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.\"},{\"lang\":\"es\",\"value\":\"Se detect\u00f3 una falla en la extensi\u00f3n Big Requests. La longitud de la solicitud se multiplica por 4 antes de compararla con el tama\u00f1o m\u00e1ximo permitido, lo que podr\u00eda causar un desbordamiento de enteros y omitir la comprobaci\u00f3n de tama\u00f1o.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H\",\"baseScore\":6.6,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":4.7}]},\"weaknesses\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-190\"}]}],\"references\":[{\"url\":\"https://access.redhat.com/errata/RHSA-2025:9303\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://access.redhat.com/errata/RHSA-2025:9304\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://access.redhat.com/errata/RHSA-2025:9305\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://access.redhat.com/errata/RHSA-2025:9306\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://access.redhat.com/errata/RHSA-2025:9392\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://access.redhat.com/security/cve/CVE-2025-49176\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=2369954\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2025/06/18/2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
}
}
Loading...
Loading...
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.