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🛡️ CVE-2026-15172 — wireshark

🟡 CVSS 5.5 — Medium ⚠️ Exploit Public CWE-606 NVD
5.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

FMP/NOTIFY protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

  • Attack vector: Local — a local account, shell or session on the host is needed.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: Required — someone has to click, open or visit something.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: None.
  • Integrity impact: None.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2026-15172 is classified as CWE-606: Unchecked Input for Loop Condition. The product does not properly check inputs that are used for loop conditions, potentially leading to a denial of service or other consequences because of excessive looping.

Affected software

CVE-2026-15172 is recorded against 1 package.

  • wireshark (from 4.6.0 up to 4.6.7)

Timeline and source

Published on 8 July 2026 and last revised on 9 July 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

gitlab.com
www.wireshark.org

Other advisories for this package

wireshark has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-606: Unchecked Input for Loop Condition) in other software:

Details

Severity MEDIUM
CVSS Score 5.5
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE CWE-606
Public Exploit ⚠️ Yes
Source NVD
Published 2026-07-08
Updated 2026-08-20
Modified 2026-07-09
Fix URL N/A

Affected Packages

Software From version Fixed in
wireshark 4.6.0 4.6.7

References

Similar Threats

Exploit Protection

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CVE-2026-15172 carries CVSS 5.5 Medium rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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