VDB

CVE-2021-4184

CVE-2021-4184 PUBLISHED CVSS 7.5 HIGH

Reported by gitlab · Published December 30, 2021

Infinite loop in the BitTorrent DHT dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
wireshark-develAmazon Linux1:4.0.2-1.amzn2023.0.2
wiresharkwireshark3.4.10

Risk scores

CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

VendorProductVersions
Wireshark FoundationWireshark=3.6.0, >=3.4.0, <3.4.10
amazon:2023wireshark-devel0
Wireshark FoundationWireshark3.6.0, 3.4.0
amazon:2023wireshark-cli0
alpinewireshark0, 0

Timeline

  • Dec 30, 2021 CVE Published
  • Dec 31, 2021 EPSS Score (30 in total, the first dated here)
  • Mar 10, 2026 Security Advisory (4 in total, the first dated here)
  • Jul 20, 2026 Coalition ESS Score
  • Oct 11, 2026 CVE Updated
  • Nov 4, 2026 Distribution Patch

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2021-4184
vulnetix vdb fixes CVE-2021-4184

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-4184/fixes/registry"

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References

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