HOMEVULNERABILITIESCVE-2016-1762
HIGH

CVE-2016-1762

CWE-119Published: March 24, 2016· Updated: Jun 17, 2026

8.1
CVSS v3.1

Official Description

The xmlNextChar function in libxml2 before 2.9.4 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted XML document.

NVD Source

Technical Analysis

CVE-2016-1762 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), availability disruption (denial of service), with a CVSS base score of 8.1.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Affected Vendors & Products

Apple5 product(s)
safariiphone osmac os xtvoswatchos
Canonical1 product(s)
ubuntu linux
Debian1 product(s)
debian linux
mcafee1 product(s)
web gateway
Red Hat6 product(s)
enterprise linux desktopenterprise linux serverenterprise linux server ausenterprise linux server eusenterprise linux server tusenterprise linux workstation
xmlsoft1 product(s)
libxml2
Source: NVD CPE · 30 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (44)

Quick Facts

CVE IDCVE-2016-1762
CVSS Score8.1 / 10
SeverityHIGH
WeaknessCWE-119
CISA KEVNo
Affected6 vendor(s)
PublishedMar 24, 2016

Related CVEs (CWE-119)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2016-1762 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.