CVE-2026-95395Public exploitNetwork attack vectorHinoki check available

Process termination via unbounded file-scoped phasor allocation

Published Sep 29, 2026 · Updated Sep 29, 2026

Memory exhaustion in Wireshark 4.4.0 through 4.4.18 and 4.6.0 through 4.6.8 allows attackers to terminate packet analysis via crafted CFG3 frames. The IEEE C37.118 config_3_frame_fast() parser trusts the packet's num_ph count and retains a large allocation for each frame until the capture closes. Exploitation requires capture of attacker-supplied traffic or opening a crafted trace; repeated frames can exhaust memory and terminate Wireshark or TShark.

CVSS severityUnavailable
Unscored
EPSS probability0.14%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Memory exhaustion in Wireshark 4.4.0 through 4.4.18 and 4.6.0 through 4.6.8 allows attackers to terminate packet analysis via crafted CFG3 frames. The IEEE C37.118 config_3_frame_fast() parser trusts the packet's num_ph count and retains a large allocation for each frame until the capture closes. Exploitation requires capture of attacker-supplied traffic or opening a crafted trace; repeated frames can exhaust memory and terminate Wireshark or TShark.

The record

CVE
CVE-2026-95395
Published
Sep 29, 2026
Updated
Sep 29, 2026
Vendor
Wireshark Foundation
Product
Wireshark
Classifications
T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 29, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 29, 2026Record 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=4.4.0 <4.4.19
  2. Affected versionversion=4.6.0 <4.6.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Wireshark Foundation · Wiresharkversion=4.4.0 <4.4.19; version=4.6.0 <4.6.9

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.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

T1499.004Application or System Exploitation

Public exploit references

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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