Description
Infinite loop in DVB-S2-BB dissector in Wireshark 3.4.0 to 3.4.5 allows denial of service via packet injection or crafted capture file
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| The Wireshark Foundation | Wireshark | >=3.4.0, <3.4.6 | — |
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 | 3.4.7-1 | — |
| Debian 13 | wireshark | 3.4.7-1 | — |
| Debian 12 | wireshark | 3.4.7-1 | — |
| Debian 11 | wireshark | 3.4.10-0+deb11u1 | DSA-5019-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | wireshark | No fix yet | — |
| Ubuntu 26.04 LTS | wireshark | No fix yet | — |
| Ubuntu 25.10 | wireshark | No fix yet | — |
| Ubuntu 24.04 LTS | wireshark | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| 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 | — |
| Ubuntu Pro 16.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 14.04 LTS | wireshark | No fix yet | — |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | wireshark | 3.4.6-r0 | — |
| Alpine v3.23 | wireshark | 3.4.6-r0 | — |
| Alpine v3.22 | wireshark | 3.4.6-r0 | — |
| Alpine v3.21 | wireshark | 3.4.6-r0 | — |
| Alpine v3.20 | wireshark | 3.4.6-r0 | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | wireshark | 3.4.6-r0 | — |
| Alpine v3.18 | wireshark | 3.4.6-r0 | — |
| Alpine v3.17 | wireshark | 3.4.6-r0 | — |
| Alpine v3.16 | wireshark | 3.4.6-r0 | — |
| Alpine v3.15 | wireshark | 3.4.6-r0 | — |
| Alpine v3.14 | wireshark | 3.4.6-r0 | — |
| Alpine v3.13 | wireshark | 3.4.6-r0 | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | wireshark | 3.4.14-1 | — |
Advisories 1
- DSA-5019-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://www.wireshark.org/security/wnpa-sec-2021-05.html
- https://gitlab.com/wireshark/wireshark/-/merge_requests/3130
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22222.json
- GLSA-202107-21 vendor-advisory
- https://www.oracle.com/security-alerts/cpuoct2021.html
- DSA-5019 vendor-advisory