CVE-2016-4761Network attack vector

Denial of service via use-after-free

Published Jan 22, 2020 · Updated Aug 6, 2024

Use-after-free in WebKitGTK before 2.14.0 allows remote attackers to cause a denial of service via unspecified vectors. WebKitGTK has not published the affected component, object-lifetime error, or input path that reaches the freed memory. No authentication is reported, but the exact trigger and whether the consequence is a crash or another interruption remain undisclosed.

CVSS severityUnavailable
Unscored
EPSS probability1.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use-after-free in WebKitGTK before 2.14.0 allows remote attackers to cause a denial of service via unspecified vectors. WebKitGTK has not published the affected component, object-lifetime error, or input path that reaches the freed memory. No authentication is reported, but the exact trigger and whether the consequence is a crash or another interruption remain undisclosed.

The record

CVE
CVE-2016-4761
Published
Jan 22, 2020
Updated
Aug 6, 2024
Vendor
WebKitGTK
Product
WebKitGTK
Classifications
Unavailable
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 22, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 6, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=before 2.14.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

WebKitGTK · WebKitGTKversion=before 2.14.0

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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