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Collection Degraded30 / 46 Sources HealthyPublic Intel Only
Vulnerabilities/CVE-2016-5131Public Intelligence Dossier
Source: google · Limited verification•Last verified: •Collection Degraded
CVE-2016-5131Unknown / EvaluatingHIGH (raw)CVSS 8.8CWE-416

Use-after-free vulnerability in libxml2 through 2.9.4, as used in Google Chrome before 52.0.2743.82, allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to the XPointer range-to function.

Published: 24 Jul 2016•Last updated: 14 Oct 2026, 12:46 PM IST•Source identifier: chrome-cve-admin@google.com
Dossier completeness: source-provided sections 2 / 3 · rule guidance available. Missing source facts count as incomplete.
Official source
CISA KEV catalog
Unknown
KEV status was not determined.
CVSS score
8.8HIGH (raw)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Metric source134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS probability
2.3%0.023
Percentile83rd
Weakness type
CWE-416
No further CWE recorded
Remediation
Patch status unknown
No fixed version or KB recorded

Why It Matters

Analysis dossier

Why It Matters

Use-after-free vulnerability in libxml2 through 2.9.4, as used in Google Chrome before 52.0.2743.82, allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to the XPointer range-to function.

SOC priority

High

Actively exploited

Unknown

Publicly disclosed

Unknown

Risk basis: SOC ecosystem technology relevance; HIGH severity; No confirmed exploitation signal in current enrichment

Affected Products & Remediation

14 source-backed products
Affected products and versions (source)
  • google chrome · < 52.0.2743.82 · NVD CPE · Source
  • xmlsoft libxml2 · <= 2.9.4 · NVD CPE · Source
  • apple iphone os · < 10.0 · NVD CPE · Source
  • apple mac os x · < 10.12 · NVD CPE · Source
  • apple tvos · < 10.0 · NVD CPE · Source
  • apple watchos · < 3.0 · NVD CPE · Source
  • canonical ubuntu linux · 14.04; 16.04 · NVD CPE · Source
  • redhat enterprise linux desktop · 6.0 · NVD CPE · Source
  • redhat enterprise linux server · 6.0 · NVD CPE · Source
  • redhat enterprise linux workstation · 6.0 · NVD CPE · Source
  • opensuse leap · 42.1 · NVD CPE · Source
  • opensuse opensuse · 13.1; 13.2 · NVD CPE · Source
  • suse linux enterprise · 12.0 · NVD CPE · Source
  • debian debian linux · 8.0; 9.0 · NVD CPE · Source
Recorded patch / KBNot provided by source

Vendor or catalog guidance (source)

Not provided by source

Known exploitation (source facts)

Only what a source states. Unknown means no source has said either way; it is not "not exploited".

CISA KEV
Unknown
Exploited (source statement)
Unknown
Publicly disclosed (source)
Unknown

Suggested hunting (rule-based inference)

SecOps Signal recommendation (rule-based inference). These steps are hunting hypotheses from the vulnerability class; they do not state or imply that exploitation occurred here or anywhere.

Matched user-interaction-client (CVSS AV:N, CVSS UI:R)

Exposure

  1. Identify endpoints reporting this CVE, especially those used for email and web browsing.Telemetry: DeviceTvmSoftwareVulnerabilities · A network vector that needs user interaction points at user-facing client software. · Rule user-interaction-client

Exploitation evidence

  1. Review unusual child processes started by the affected client application on affected endpoints.Telemetry: DeviceProcessEvents · Hunting hypothesis from the CVSS vector; it does not show that exploitation occurred. · Rule user-interaction-client

Response

  1. Confirm the source-stated update on affected endpoints.Telemetry: DeviceTvmSoftwareVulnerabilities · A follow-up inventory check verifies remediation. · Rule user-interaction-client

CISA KEV Record

CISA KEV status was not determined for this record.

Change History & Source Data

— No recorded material change

CNA / source
chrome-cve-admin@google.com
Record status · verification
UPDATED · NVD API
CPE
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*, cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*, cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*, cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*, cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*, cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*, cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*, cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*, cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*, cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*

Evidence & Provenance

3 public sources
nvd.nist.govSource recordbugzilla.redhat.comSource recordcodereview.chromium.orgSource record

Linked by the query's stored exact CVE association. Review required tables and validation status before use.

Detection Hunting Query
Target: DeviceTvmSoftwareVulnerabilities•Defender XDR
Detect endpoints exposed to CVE-2016-5131
Purpose: Exposure assessment (Category: Exposure Check)Why linked: Query metadata names CVE-2016-5131
DeviceTvmSoftwareVulnerabilities| where CveId == "CVE-2016-5131"| project DeviceId, DeviceName, OSPlatform, OSVersion, SoftwareVendor, SoftwareName, SoftwareVersion, CveId, VulnerabilitySeverityLevel, RecommendedSecurityUpdate, RecommendedSecurityUpdateId| sort by VulnerabilitySeverityLevel desc
Schema Checked · Not runtime validatedSource: SecOps Signal deterministic template · Limited verificationStatic screening: Passed structure and schema checks; tenant execution is not verified.
Open KQL Library

Correlated briefings

— No published briefing references this CVE

SecOps Signal surfaces public advisory facts only. A missing value means the source has not published it, not that your environment is unaffected. No tenant inventory is connected.