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CVE-2023-6175VulnerabilityPublished Updated

CVE-2023-6175: Wireshark · Classic Buffer Overflow

Affects WiresharkSource CVE Database V5

0

Not known to be exploited · CVSS 7.8 High.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
3.4% chance of exploitation in 30 days – higher than 88% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 Mar 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
GitHubwireshark/wiresharkpkg:github/wireshark/wiresharkOther threatsAffected
  • =3.6.0
  • =4.0.0
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

European organizations should immediately restrict the opening of capture files from untrusted or unknown sources. Network security teams should educate users about the risks of opening suspicious capture files. Until patches are released, running Wireshark in a sandboxed or isolated environment can limit the impact of potential exploitation. Monitoring and filtering incoming capture files through antivirus or sandboxing solutions can help detect malicious files. Organizations should track Wireshark Foundation advisories closely and apply updates as soon as patches become available. Additionally, implementing strict access controls on systems running Wireshark and limiting user privileges can reduce the risk of exploitation. Incident response plans should include procedures for handling potential exploitation of this vulnerability. Finally, consider alternative network analysis tools temporarily if Wireshark updates are delayed.

Description

NetScreen file parser crash in Wireshark 4.0.0 to 4.0.10 and 3.6.0 to 3.6.18 allows denial of service via crafted capture file

References

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