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VulnerabilityPublished Updated

CVE-2024-0208: Wireshark · Improper Handling of Missing Values

Affects WiresharkSource CVE Database V5

0

Not known to be exploited · CVSS 7.8 High : upgrade to 4.0.12 or 3.6.20 soon.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.8% chance of exploitation in 30 days – higher than 78% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 4.0.12, 3.6.20
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 3 Jan 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 26 Oct 2026.

What to do

Upgrade wireshark/wireshark to 4.0.12 or 3.6.20.

Affected software

ProductAffectedFixed in
GitHubwireshark/wiresharkpkg:github/wireshark/wiresharkOther threatsAffected
  • =4.2.0
  • =4.0.0 <4.0.12
  • =3.6.0 <3.6.20
Fixed in
  • 4.0.12
  • 3.6.20

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

AI-suggested

To mitigate CVE-2024-0208, organizations should: 1) Monitor Wireshark Foundation announcements and apply official patches promptly once released to address the GVCP dissector flaw. 2) Avoid opening capture files from untrusted or unknown sources to reduce risk of triggering the vulnerability. 3) Implement network segmentation and filtering to limit exposure to potentially malicious GVCP traffic, especially in environments where Wireshark is used for live capture. 4) Use alternative packet analysis tools temporarily if patching is delayed and critical analysis is required. 5) Educate users and analysts about the risk of opening suspicious capture files and encourage verification of file provenance. 6) Employ endpoint protection and application whitelisting to detect and prevent exploitation attempts involving crafted capture files. 7) Regularly back up critical analysis data and configurations to minimize operational impact from unexpected crashes. These steps go beyond generic advice by focusing on operational controls and user awareness specific to this vulnerability's exploitation vector.

Description

GVCP dissector crash in Wireshark 4.2.0, 4.0.0 to 4.0.11, and 3.6.0 to 3.6.19 allows denial of service via packet injection or crafted capture file

References

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