Description
Crash in the Gryphon dissector in Wireshark 3.4.0 to 3.4.10 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 | — |
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 | 3.4.16-0+deb11u1 | DLA-3906-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | wireshark | 3.6.2-2ubuntu0.1~esm1 | USN-7552-1 |
| Ubuntu Pro 20.04 LTS | wireshark | 3.2.3-1ubuntu0.1~esm2 | USN-7552-1 |
| Ubuntu Pro 18.04 LTS | wireshark | 2.6.10-1~ubuntu18.04.0+esm2 | USN-7552-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | wireshark | 2.6.10-1~ubuntu16.04.0+esm2 | USN-7552-1 |
| Ubuntu Pro 14.04 LTS | wireshark | 2.6.10-1~ubuntu14.04.0~esm3 | USN-7552-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | wireshark | 3.6.8-150000.3.74.1 | SUSE-SU-2022:3309-1 |
| SLES 15 SP3 | wireshark | 3.6.8-150000.3.74.1 | SUSE-SU-2022:3309-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 3.6.8-2.1 | openSUSE-SU-2024:12329-1 |
| openSUSE Leap 15.4 | wireshark | 3.6.8-150000.3.74.1 | SUSE-SU-2022:3309-1 |
| openSUSE Leap 15.3 | wireshark | 3.6.8-150000.3.74.1 | SUSE-SU-2022:3309-1 |
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 6
- USN-7552-1 wireshark vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DLA-3906-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2022:3309-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12329-1 libwireshark15-3.6.8-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2022-1471 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-2021-16.html
- https://gitlab.com/wireshark/wireshark/-/issues/17737
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4186.json
- FEDORA-2022-a3d70b50f0 vendor-advisory
- FEDORA-2022-1daf93c51d vendor-advisory
- FEDORA-2022-30411cb3c4 vendor-advisory
- FEDORA-2022-48b86d586f vendor-advisory
- GLSA-202210-04 vendor-advisory