Heap-based buffer overflow in the xmlStrncat function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted XML document.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-503-1 libxml2 security update
Debian DSA Debian DSA DSA-3593-1 libxml2 security update
EUVD EUVD EUVD-2016-2929 Heap-based buffer overflow in the xmlStrncat function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted XML document.
Ubuntu USN Ubuntu USN USN-2994-1 libxml2 vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 04 Dec 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2025-12-04T17:15:15.868Z

Reserved: 2016-01-13T00:00:00.000Z

Link: CVE-2016-1834

cve-icon Vulnrichment

Updated: 2024-08-05T23:10:39.960Z

cve-icon NVD

Status : Deferred

Published: 2016-05-20T10:59:48.097

Modified: 2025-12-04T18:15:49.897

Link: CVE-2016-1834

cve-icon Redhat

Severity : Important

Publid Date: 2016-05-23T00:00:00Z

Links: CVE-2016-1834 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses