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CVE-2016-1840: Heap-based buffer overflow in the xmlFAParsePosCharGroup function in libxml2 before 2.9.4, as used in Apple...

Heap-based buffer overflow in the xmlFAParsePosCharGroup 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.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2016-1840 is a memory corruption flaw in libxml2, a common XML parsing library. A malicious XML document could crash affected software or potentially run attacker-controlled code. The source bundle names Apple platforms before their May 2016 updates and libxml2 before 2.9.4. Exposure is most likely where servers, desktop applications, mobile platforms, or embedded software parse untrusted XML using vulnerable libxml2 builds or vendor packages. Internet-facing XML ingestion, document processing, API gateways, and security products using older bundled libxml2 deserve priority review. Treat this as a high-priority legacy exposure check, especially in older platforms and products that still parse XML. The issue is not listed as actively exploited in the provided bundle, but the potential impact includes remote code execution. Mitigation focus: Apply vendor security updates that include libxml2 2.9.4 or backported fixes.; Upgrade Apple devices past iOS 9.3.2, OS X 10.11.5, tvOS 9.2.1, and watchOS 2.2.1.; Update Linux distribution packages using Debian, Red Hat, Ubuntu, Oracle, or Gentoo advisories..

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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12Source links

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