CVE-2024-9781: Wireshark · Improper Handling of Missing Values
Affects WiresharkSource CVE Database V5
Not known to be exploited · CVSS 7.8 High.
Data as of 26 Oct 2026, 10:12 UTC
- 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:HExploitation evidence
Disclosed: evidence found.
CVE published 10 Oct 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
GitHubwireshark/wiresharkpkg:github/wireshark/wiresharkOther threats | Affected
| 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