VDB
DEBIAN-CVE-2021-39928
DEBIAN-CVE-2021-39928
PUBLISHED
CVSS 7.5 HIGH
Record from OSV · Published November 18, 2021
NULL pointer exception in the IEEE 802.11 dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 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.
| Package | Ecosystem | Fixed in |
|---|---|---|
| wireshark | Debian:12 | 3.6.0-1 |
| wireshark | Debian:13 | 3.6.0-1 |
| wireshark | Debian:14 | 3.6.0-1 |
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
| Vendor | Product | Versions |
|---|---|---|
| Debian:12 | wireshark | 0 |
| Debian:13 | wireshark | 0 |
| Debian:14 | wireshark | 0 |
Timeline
- Nov 18, 2021 CVE Published
- Oct 23, 2026 CVE Updated
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln DEBIAN-CVE-2021-39928
vulnetix vdb fixes DEBIAN-CVE-2021-39928Or 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/DEBIAN-CVE-2021-39928/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart