CVE-2021-4186 (GCVE-0-2021-4186)
Vulnerability from cvelistv5
Published
2021-12-30 00:00
Modified
2025-11-03 21:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Null pointer dereference in Wireshark
Summary
Crash in the Gryphon dissector in Wireshark 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Wireshark Foundation | Wireshark |
Version: >=3.4.0, <3.4.10 |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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