CVE-2016-7945
Summary
| CVE | CVE-2016-7945 |
|---|---|
| State | PUBLISHED |
| Assigner | microfocus |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-12-13 20:59:10 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v3.0 7.5 HIGH from [email protected]
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.012180000 probability, percentile 0.791710000 (date 2026-05-11)
Problem Types: CWE-125 | CWE-190 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 7.5 | HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 5 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:N/AC:L/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Fedoraproject | Fedora | 24 | All | All | All |
| Operating System | Fedoraproject | Fedora | 25 | All | All | All |
| Application | X.org | Libxi | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| xorg/lib/libXi - X.org libXi Client library for XInput. | af854a3a-2127-422b-91ae-364da2661108 | cgit.freedesktop.org | |
| oss-security - Re: X.Org security advisory: Protocol handling issues in X Window System client libraries | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| oss-security - X.Org security advisory: Protocol handling issues in X Window System client libraries | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| [SECURITY] Fedora 24 Update: libXi-1.7.7-1.fc24 - package-announce - Fedora Mailing-Lists | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | |
| X.Org security advisory: Protocol handling issues in X Window System client libraries | af854a3a-2127-422b-91ae-364da2661108 | lists.x.org | |
| X Client Library Bugs Let Remote and Local Users Deny Service or Gain Elevated Privileges - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | |
| X.Org: Multiple vulnerabilities (GLSA 201704-03) — Gentoo Security | af854a3a-2127-422b-91ae-364da2661108 | security.gentoo.org | |
| [SECURITY] Fedora 25 Update: libXi-1.7.7-1.fc25 - package-announce - Fedora Mailing-Lists | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | |
| X.Org libXfixes CVE-2016-7945 Multiple Integer Overflow Vulnerabilities | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| [SECURITY] Fedora 25 Update: libXi-1.7.7-1.fc25 - package-announce - Fedora Mailing-Lists | MITRE | lists.fedoraproject.org | |
| [SECURITY] Fedora 24 Update: libXi-1.7.7-1.fc24 - package-announce - Fedora Mailing-Lists | MITRE | lists.fedoraproject.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 710339 Gentoo Linux X.Org Multiple Vulnerabilities (GLSA 201704-03)