Description
Crash in USB HID protocol dissector and possibly other dissectors in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| The Wireshark Foundation | Wireshark | 3.4.0, >= 3.2.0 to < 3.2.9 | — |
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 | 3.4.1-1 | — |
| Debian 13 | wireshark | 3.4.1-1 | — |
| Debian 12 | wireshark | 3.4.1-1 | — |
| Debian 9 | wireshark | 2.6.20-0+deb9u1 | DLA-2547-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 18.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 16.04 LTS | wireshark | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | wireshark | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | sbc | 1.3-3.2.1 | SUSE-SU-2021:2125-1 |
| SLES 15 SP3 | wireshark | 3.4.5-3.53.1 | SUSE-SU-2021:2125-1 |
| SLES 15 SP2 | sbc | 1.3-3.2.1 | SUSE-SU-2021:2125-1 |
| SLES 15 SP2 | wireshark | 3.4.5-3.53.1 | SUSE-SU-2021:2125-1 |
| SLES 15 SP1 | libqt5-qtmultimedia | 5.9.7-7.2.1 | SUSE-SU-2021:2125-1 |
| SLES 15 SP1 | sbc | 1.3-3.2.1 | SUSE-SU-2021:2125-1 |
| SLES 15 SP1 | wireshark | 3.4.5-3.53.1 | SUSE-SU-2021:2125-1 |
| SLES 15 | libvirt | 4.0.0-9.37.21 | SUSE-SU-2021:2125-1 |
| SLES 15 | sbc | 1.3-3.2.1 | SUSE-SU-2021:2125-1 |
| SLES 15 | wireshark | 3.4.5-3.53.1 | SUSE-SU-2021:2125-1 |
| SLES 12 SP5 | wireshark | 2.4.16-48.57.1 | SUSE-SU-2024:3323-1 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP1 | libqt5-qtmultimedia | 5.9.7-7.2.1 | SUSE-SU-2021:2125-1 |
| SLES for SAP 15 SP1 | sbc | 1.3-3.2.1 | SUSE-SU-2021:2125-1 |
| SLES for SAP 15 SP1 | wireshark | 3.4.5-3.53.1 | SUSE-SU-2021:2125-1 |
| SLES for SAP 15 | libvirt | 4.0.0-9.37.21 | SUSE-SU-2021:2125-1 |
| SLES for SAP 15 | sbc | 1.3-3.2.1 | SUSE-SU-2021:2125-1 |
| SLES for SAP 15 | wireshark | 3.4.5-3.53.1 | SUSE-SU-2021:2125-1 |
| SLES for SAP 12 SP5 | wireshark | 2.4.16-48.57.1 | SUSE-SU-2024:3323-1 |
| SLE HPC 15 SP1 | libqt5-qtmultimedia | 5.9.7-7.2.1 | SUSE-SU-2021:2125-1 |
| SLE HPC 15 SP1 | sbc | 1.3-3.2.1 | SUSE-SU-2021:2125-1 |
| SLE HPC 15 SP1 | wireshark | 3.4.5-3.53.1 | SUSE-SU-2021:2125-1 |
| SLE HPC 15 | libvirt | 4.0.0-9.37.21 | SUSE-SU-2021:2125-1 |
| SLE HPC 15 | sbc | 1.3-3.2.1 | SUSE-SU-2021:2125-1 |
| SLE HPC 15 | wireshark | 3.4.5-3.53.1 | SUSE-SU-2021:2125-1 |
| SUSE Manager Server 4.0 | libqt5-qtmultimedia | 5.9.7-7.2.1 | SUSE-SU-2021:2125-1 |
| SUSE Manager Server 4.0 | sbc | 1.3-3.2.1 | SUSE-SU-2021:2125-1 |
| SUSE Manager Server 4.0 | wireshark | 3.4.5-3.53.1 | SUSE-SU-2021:2125-1 |
| SUSE Manager Retail Branch Server 4.0 | libqt5-qtmultimedia | 5.9.7-7.2.1 | SUSE-SU-2021:2125-1 |
| SUSE Manager Retail Branch Server 4.0 | sbc | 1.3-3.2.1 | SUSE-SU-2021:2125-1 |
| SUSE Manager Retail Branch Server 4.0 | wireshark | 3.4.5-3.53.1 | SUSE-SU-2021:2125-1 |
| SUSE Manager Proxy 4.0 | libqt5-qtmultimedia | 5.9.7-7.2.1 | SUSE-SU-2021:2125-1 |
| SUSE Manager Proxy 4.0 | sbc | 1.3-3.2.1 | SUSE-SU-2021:2125-1 |
| SUSE Manager Proxy 4.0 | wireshark | 3.4.5-3.53.1 | SUSE-SU-2021:2125-1 |
| SUSE Enterprise Storage 6 | libqt5-qtmultimedia | 5.9.7-7.2.1 | SUSE-SU-2021:2125-1 |
| SUSE Enterprise Storage 6 | sbc | 1.3-3.2.1 | SUSE-SU-2021:2125-1 |
| SUSE Enterprise Storage 6 | wireshark | 3.4.5-3.53.1 | SUSE-SU-2021:2125-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 3.4.8-1.2 | openSUSE-SU-2024:11513-1 |
| openSUSE Leap 15.3 | sbc | 1.3-3.2.1 | openSUSE-SU-2021:2125-1 |
| openSUSE Leap 15.3 | wireshark | 3.4.5-3.53.1 | openSUSE-SU-2021:2125-1 |
| openSUSE Leap 15.2 | wireshark | 3.4.5-lp152.2.12.1 | openSUSE-SU-2021:0909-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | wireshark | 3.4.1-r0 | — |
| Alpine v3.23 | wireshark | 3.4.1-r0 | — |
| Alpine v3.22 | wireshark | 3.4.1-r0 | — |
| Alpine v3.21 | wireshark | 3.4.1-r0 | — |
| Alpine v3.20 | wireshark | 3.4.1-r0 | — |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | wireshark | 3.4.1-r0 | — |
| Alpine v3.18 | wireshark | 3.4.1-r0 | — |
| Alpine v3.17 | wireshark | 3.4.1-r0 | — |
| Alpine v3.16 | wireshark | 3.4.1-r0 | — |
| Alpine v3.15 | wireshark | 3.4.1-r0 | — |
| Alpine v3.14 | wireshark | 3.4.1-r0 | — |
| Alpine v3.13 | wireshark | 3.4.1-r0 | — |
| Alpine v3.12 | wireshark | 3.2.9-r0 | — |
Advisories 7
- DLA-2547-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2021:2125-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0909-1 Security update for wireshark, libvirt, sbc, libqt5-qtmultimedia SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3323-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11513-1 libwireshark14-3.4.8-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:2125-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-2184 Wireshark: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 18, 2024
References
- https://www.wireshark.org/security/wnpa-sec-2020-17.html
- https://gitlab.com/wireshark/wireshark/-/issues/16958
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26421.json
- GLSA-202101-12 vendor-advisory
- [debian-lts-announce] 20210206 [SECURITY] [DLA 2547-1] wireshark security update mailing-list
- FEDORA-2021-f3011da665 vendor-advisory
- FEDORA-2021-138674557c vendor-advisory
- https://www.oracle.com/security-alerts/cpuApr2021.html