Security readout for executives and security teams
CVE-2016-1838 is a denial-of-service flaw in libxml2. A crafted XML document can trigger a heap-based buffer over-read and crash affected software that parses it. The listed sources describe fixes in libxml2 2.9.4 and in Apple and Linux vendor updates. Exposure is most likely where servers, clients, appliances, or applications process attacker-controlled XML using libxml2 before 2.9.4. The bundle cites Apple iOS, OS X, tvOS, watchOS, Red Hat, Debian, Ubuntu, Gentoo, Oracle, McAfee, and Tenable references, but product-level exposure must be verified locally. Treat this as a patch hygiene and service availability issue. Prioritize externally reachable XML-processing services and managed endpoints with outdated Apple or Linux packages. Business urgency is moderate unless a critical service parses untrusted XML and cannot tolerate crashes. Mitigation focus: Upgrade libxml2 to 2.9.4 or later where directly managed.; Apply fixed Apple releases or later for cited Apple platforms.; Apply distribution vendor packages from Red Hat, Debian, Ubuntu, Gentoo, or Oracle advisories..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2016-1838 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
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- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://kc.mcafee.com/corporate/index?page=content&id=SB10170CVE reference · x_refsource_CONFIRM
- RHSA-2016:1292CVE reference · vendor-advisory, x_refsource_REDHAT
- https://support.apple.com/HT206567CVE reference · x_refsource_CONFIRM
- DSA-3593CVE reference · vendor-advisory, x_refsource_DEBIAN
- https://bugzilla.gnome.org/show_bug.cgi?id=758588CVE reference · x_refsource_CONFIRM
- https://git.gnome.org/browse/libxml2/commit/?id=db07dd613e461df93dde7902c6505629bf0734e9CVE reference · x_refsource_CONFIRM
- https://bugs.chromium.org/p/project-zero/issues/detail?id=639CVE reference · x_refsource_MISC
- https://support.apple.com/HT206566CVE reference · x_refsource_CONFIRM
- https://www.tenable.com/security/tns-2016-18CVE reference · x_refsource_CONFIRM
- https://support.apple.com/HT206564CVE reference · x_refsource_CONFIRM
- GLSA-201701-37CVE reference · vendor-advisory, x_refsource_GENTOO
- https://support.apple.com/HT206568CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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