Description
Infinite loop in the F5 Ethernet Trailer protocol dissector in Wireshark 3.6.0 to 3.6.7 and 3.4.0 to 3.4.15 allows denial of service via packet injection or crafted capture file
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| SharkFest Foundation | Wireshark | >=3.6.0, <3.6.8, >=3.4.0, <3.4.16 | — |
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 | 3.6.8-1 | — |
| Debian 13 | wireshark | 3.6.8-1 | — |
| Debian 12 | wireshark | 3.6.8-1 | — |
| 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 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | wireshark +2 | 1:3.4.10-4.el9 | RHSA-2023:2373 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | wireshark +2 | 1:3.4.10-4.el9 | ALSA-2023:2373 |
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 | 3.6.8-r0 | — |
| Alpine v3.23 | wireshark | 3.6.8-r0 | — |
| Alpine v3.22 | wireshark | 3.6.8-r0 | — |
| Alpine v3.21 | wireshark | 3.6.8-r0 | — |
| Alpine v3.20 | wireshark | 3.6.8-r0 | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | wireshark | 3.6.8-r0 | — |
| Alpine v3.18 | wireshark | 3.6.8-r0 | — |
| Alpine v3.17 | wireshark | 3.6.8-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 | 3.4.16-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | wireshark +2 | 1:3.4.10-4.el9 | ELSA-2023-2373 |
Advisories 10
- ALSA-2023:2373 Moderate: wireshark security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2023:2373 Red Hat Security Advisory: wireshark security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- 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-2022-1336 Wireshark: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Jun 4, 2025
- WID-SEC-2023-0561 Xerox FreeFlow Print Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 18, 2023
- ELSA-2023-2373 Moderate: wireshark security and bug fix update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · May 15, 2023
- ALAS2023-2023-038 Moderate: wireshark security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 22, 2023