CVE-2016-7945 - Vulnerability Details - OpenCVE

Multiple integer overflows in X.org libXi before 1.7.7 allow remote X servers to cause a denial of service (out-of-bounds memory access or infinite loop) via vectors involving length fields.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.0057.

Key SSVC decision points have not yet been added.

Vendors	Products
Fedoraproject	Fedora
X.org	Libxi

Configuration 1 [-]

OR	cpe:2.3:o:fedoraproject:fedora:24:::::::*
	cpe:2.3:o:fedoraproject:fedora:25:::::::*

Configuration 2 [-]

cpe:2.3:a:x.org:libxi:*:*:*:*:*:*:*:*

No data.

No data.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2016/10/04/2
http://www.openwall.com/lists/oss-security/2016/10/04/4
http://www.securityfocus.com/bid/93364
http://www.securitytracker.com/id/1036945
https://cgit.freedesktop.org/xorg/lib/libXi/commit/?id=19a9cd607de73947fcfb104682f203ffe4e1f4e5
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C3NTWIWSQ575GREBVAOUQUIMDL5CDVGP/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVTZ2XLPKLASQUIQA2GMKKAUOQIUMM7I/
https://lists.x.org/archives/xorg-announce/2016-October/002720.html
https://nvd.nist.gov/vuln/detail/CVE-2016-7945
https://security.gentoo.org/glsa/201704-03
https://www.cve.org/CVERecord?id=CVE-2016-7945

History

Sun, 13 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00744}`	epss `{'score': 0.0057}`

MITRE

Status: PUBLISHED

Assigner: microfocus

Published: 2016-12-13T20:00:00

Updated: 2024-08-06T02:13:21.529Z

Reserved: 2016-09-09T00:00:00

Link: CVE-2016-7945

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2016-12-13T20:59:10.287

Modified: 2025-04-12T10:46:40.837

Link: CVE-2016-7945

Redhat

Severity : Moderate

Publid Date: 2016-09-25T00:00:00Z

Links: CVE-2016-7945 - Bugzilla

OpenCVE Enrichment

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-10-04T00:00:00", "descriptions": [{"lang": "en", "value": "Multiple integer overflows in X.org libXi before 1.7.7 allow remote X servers to cause a denial of service (out-of-bounds memory access or infinite loop) via vectors involving length fields."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-01-06T16:15:57", "orgId": "f81092c5-7f14-476d-80dc-24857f90be84", "shortName": "microfocus"}, "references": [{"name": "FEDORA-2016-8b122b0997", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C3NTWIWSQ575GREBVAOUQUIMDL5CDVGP/"}, {"name": "1036945", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1036945"}, {"name": "GLSA-201704-03", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/201704-03"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://cgit.freedesktop.org/xorg/lib/libXi/commit/?id=19a9cd607de73947fcfb104682f203ffe4e1f4e5"}, {"name": "[xorg-announce] 20161004 X.Org security advisory: Protocol handling issues in X Window System client libraries", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.x.org/archives/xorg-announce/2016-October/002720.html"}, {"name": "FEDORA-2016-cabb6d7ef7", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVTZ2XLPKLASQUIQA2GMKKAUOQIUMM7I/"}, {"name": "[oss-security] 20161004 Re: X.Org security advisory: Protocol handling issues in X Window System client libraries", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/10/04/4"}, {"name": "[oss-security] 20161004 X.Org security advisory: Protocol handling issues in X Window System client libraries", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/10/04/2"}, {"name": "93364", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/93364"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@suse.com", "ID": "CVE-2016-7945", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Multiple integer overflows in X.org libXi before 1.7.7 allow remote X servers to cause a denial of service (out-of-bounds memory access or infinite loop) via vectors involving length fields."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "FEDORA-2016-8b122b0997", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C3NTWIWSQ575GREBVAOUQUIMDL5CDVGP/"}, {"name": "1036945", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1036945"}, {"name": "GLSA-201704-03", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201704-03"}, {"name": "https://cgit.freedesktop.org/xorg/lib/libXi/commit/?id=19a9cd607de73947fcfb104682f203ffe4e1f4e5", "refsource": "CONFIRM", "url": "https://cgit.freedesktop.org/xorg/lib/libXi/commit/?id=19a9cd607de73947fcfb104682f203ffe4e1f4e5"}, {"name": "[xorg-announce] 20161004 X.Org security advisory: Protocol handling issues in X Window System client libraries", "refsource": "MLIST", "url": "https://lists.x.org/archives/xorg-announce/2016-October/002720.html"}, {"name": "FEDORA-2016-cabb6d7ef7", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KVTZ2XLPKLASQUIQA2GMKKAUOQIUMM7I/"}, {"name": "[oss-security] 20161004 Re: X.Org security advisory: Protocol handling issues in X Window System client libraries", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2016/10/04/4"}, {"name": "[oss-security] 20161004 X.Org security advisory: Protocol handling issues in X Window System client libraries", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2016/10/04/2"}, {"name": "93364", "refsource": "BID", "url": "http://www.securityfocus.com/bid/93364"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T02:13:21.529Z"}, "title": "CVE Program Container", "references": [{"name": "FEDORA-2016-8b122b0997", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C3NTWIWSQ575GREBVAOUQUIMDL5CDVGP/"}, {"name": "1036945", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1036945"}, {"name": "GLSA-201704-03", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/201704-03"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://cgit.freedesktop.org/xorg/lib/libXi/commit/?id=19a9cd607de73947fcfb104682f203ffe4e1f4e5"}, {"name": "[xorg-announce] 20161004 X.Org security advisory: Protocol handling issues in X Window System client libraries", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.x.org/archives/xorg-announce/2016-October/002720.html"}, {"name": "FEDORA-2016-cabb6d7ef7", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVTZ2XLPKLASQUIQA2GMKKAUOQIUMM7I/"}, {"name": "[oss-security] 20161004 Re: X.Org security advisory: Protocol handling issues in X Window System client libraries", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2016/10/04/4"}, {"name": "[oss-security] 20161004 X.Org security advisory: Protocol handling issues in X Window System client libraries", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2016/10/04/2"}, {"name": "93364", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/93364"}]}]}, "cveMetadata": {"assignerOrgId": "f81092c5-7f14-476d-80dc-24857f90be84", "assignerShortName": "microfocus", "cveId": "CVE-2016-7945", "datePublished": "2016-12-13T20:00:00", "dateReserved": "2016-09-09T00:00:00", "dateUpdated": "2024-08-06T02:13:21.529Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*", "matchCriteriaId": "C729D5D1-ED95-443A-9F53-5D7C2FD9B80C", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*", "matchCriteriaId": "772E9557-A371-4664-AE2D-4135AAEB89AA", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:x.org:libxi:*:*:*:*:*:*:*:*", "matchCriteriaId": "BC62AF0F-A048-424F-ABEC-E36BF55D1081", "versionEndIncluding": "1.7.6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Multiple integer overflows in X.org libXi before 1.7.7 allow remote X servers to cause a denial of service (out-of-bounds memory access or infinite loop) via vectors involving length fields."}, {"lang": "es", "value": "M\u00faltiples desbordamientos de entero en X.org libXi en versiones anteriores a 1.7.7 permite a servidores remotos X provocar una denegaci\u00f3n de servicio (acceso de memoria fuera de datos o bucle infinito) a trav\u00e9s de vectores que involucran campos de longitud."}], "id": "CVE-2016-7945", "lastModified": "2025-04-12T10:46:40.837", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-12-13T20:59:10.287", "references": [{"source": "security@opentext.com", "url": "http://www.openwall.com/lists/oss-security/2016/10/04/2"}, {"source": "security@opentext.com", "url": "http://www.openwall.com/lists/oss-security/2016/10/04/4"}, {"source": "security@opentext.com", "url": "http://www.securityfocus.com/bid/93364"}, {"source": "security@opentext.com", "url": "http://www.securitytracker.com/id/1036945"}, {"source": "security@opentext.com", "url": "https://cgit.freedesktop.org/xorg/lib/libXi/commit/?id=19a9cd607de73947fcfb104682f203ffe4e1f4e5"}, {"source": "security@opentext.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C3NTWIWSQ575GREBVAOUQUIMDL5CDVGP/"}, {"source": "security@opentext.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVTZ2XLPKLASQUIQA2GMKKAUOQIUMM7I/"}, {"source": "security@opentext.com", "url": "https://lists.x.org/archives/xorg-announce/2016-October/002720.html"}, {"source": "security@opentext.com", "url": "https://security.gentoo.org/glsa/201704-03"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2016/10/04/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2016/10/04/4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/93364"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1036945"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://cgit.freedesktop.org/xorg/lib/libXi/commit/?id=19a9cd607de73947fcfb104682f203ffe4e1f4e5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C3NTWIWSQ575GREBVAOUQUIMDL5CDVGP/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVTZ2XLPKLASQUIQA2GMKKAUOQIUMM7I/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.x.org/archives/xorg-announce/2016-October/002720.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201704-03"}], "sourceIdentifier": "security@opentext.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}, {"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}]}