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VulnerabilityPublished Updated

CVE-2024-9781: Wireshark · Improper Handling of Missing Values

Affects WiresharkSource CVE Database V5

0

Not known to be exploited · CVSS 7.8 High.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 23% 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 10 Oct 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

Affected software

ProductAffectedFixed in
GitHubwireshark/wiresharkpkg:github/wireshark/wiresharkOther threatsAffected
  • =4.4.0
  • =4.2.0
Fixed in–

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

AI-suggested

To mitigate CVE-2024-9781, organizations should: 1) Monitor Wireshark Foundation announcements and promptly apply patches or updates once they become available for affected versions 4.4.0 and 4.2.0 to 4.2.7. 2) Avoid opening capture files from untrusted or unknown sources to reduce risk of triggering the vulnerability. 3) Implement strict network segmentation and filtering to limit exposure to malicious packet injection, especially on networks where Wireshark is used. 4) Use alternative or updated protocol analyzers temporarily if patching is delayed. 5) Employ sandboxing or containerization for Wireshark instances to contain potential crashes and prevent broader system impact. 6) Educate users and analysts about the risks of opening suspicious capture files and encourage verification of file provenance. 7) Integrate automated scanning of capture files for known malformed patterns before analysis. These steps go beyond generic advice by focusing on operational controls and proactive handling of untrusted data sources.

Description

AppleTalk and RELOAD Framing dissector crash in Wireshark 4.4.0 and 4.2.0 to 4.2.7 allows denial of service via packet injection or crafted capture file

References

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