Description
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
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Wireshark Foundation | Wireshark | >=3.4.0, <3.4.10, >=3.2.0, <3.2.18 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | wireshark | 3.6.0-1 | — |
| Debian 13 | wireshark | 3.6.0-1 | — |
| Debian 12 | wireshark | 3.6.0-1 | — |
| Debian 11 | wireshark | 3.4.10-0+deb11u1 | DSA-5019-1 |
| Debian 9 | wireshark | 2.6.20-0+deb9u2 | DLA-2849-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 20.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 18.04 LTS | wireshark | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 14.04 LTS | wireshark | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | wireshark | 3.4.10-3.62.1 | SUSE-SU-2021:3938-1 |
| SLES 15 SP2 | wireshark | 3.4.10-3.62.1 | SUSE-SU-2021:3938-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 3.4.10-1.1 | openSUSE-SU-2024:11641-1 |
| openSUSE Leap 15.3 | wireshark | 3.4.10-3.62.1 | openSUSE-SU-2021:3938-1 |
| openSUSE Leap 15.2 | wireshark | 3.4.10-lp152.2.21.1 | openSUSE-SU-2021:1566-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | wireshark | 3.4.11-r0 | — |
| Alpine v3.23 | wireshark | 3.4.11-r0 | — |
| Alpine v3.22 | wireshark | 3.4.11-r0 | — |
| Alpine v3.21 | wireshark | 3.4.11-r0 | — |
| Alpine v3.20 | wireshark | 3.4.11-r0 | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | wireshark | 3.4.11-r0 | — |
| Alpine v3.18 | wireshark | 3.4.11-r0 | — |
| Alpine v3.17 | wireshark | 3.4.11-r0 | — |
| Alpine v3.16 | wireshark | 3.4.11-r0 | — |
| Alpine v3.15 | wireshark | 3.4.13-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | wireshark-cli +1 | 1:4.0.2-1.amzn2023.0.2 | ALAS2023-2023-038 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | wireshark | 3.4.14-1 | — |
Advisories 10
- WID-SEC-2022-0432 Xerox FreeFlow Print Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 11, 2026
- WID-SEC-2022-0302 Xerox FreeFlow Print Server: Mehrere Schwachstellen ermöglichen Ausführen von beliebigem Programmcode mit Administratorrechten BSI CERT-Bund (WID) · Oct 11, 2026
- DSA-5019-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2849-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2021:3938-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:1566-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3938-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11641-1 libwireshark14-3.4.10-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2022-1730 Wireshark: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Jun 4, 2025
- ALAS2023-2023-038 Moderate: wireshark security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 22, 2023
References
- https://www.wireshark.org/security/wnpa-sec-2021-13.html
- https://gitlab.com/wireshark/wireshark/-/issues/17704
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39928.json
- FEDORA-2021-97bd631e0a vendor-advisory
- FEDORA-2021-3747cf6107 vendor-advisory
- DSA-5019 vendor-advisory
- [debian-lts-announce] 20211226 [SECURITY] [DLA 2849-1] wireshark security update mailing-list
- GLSA-202210-04 vendor-advisory