Description
Due to failure in validating the length provided by an attacker-crafted IEEE-C37.118 packet, Wireshark version 4.0.5 and prior, by default, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Wireshark Foundation | Wireshark | 4.0.0 – ≤ 4.0.5, 3.6.0 – ≤ 3.6.13 | 4.0.6 |
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 | 4.0.6-1 | — |
| Debian 13 | wireshark | 4.0.6-1 | — |
| Debian 12 | wireshark | 4.0.6-1~deb12u1 | DSA-5429-1 |
| 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 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | wireshark | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | wireshark +2 | 1:3.4.10-6.el9 | RHSA-2023:6469 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | wireshark +2 | 1:3.4.10-6.el9 | ALSA-2023:6469 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | wireshark | 3.6.14-150000.3.92.1 | SUSE-SU-2023:3252-1, SUSE-SU-2023:2320-1 |
| SLES 15 SP4 | wireshark | 3.6.14-150000.3.92.1 | SUSE-SU-2023:3252-1, SUSE-SU-2023:2320-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE Real Time 15 SP3 | wireshark | 3.6.14-150000.3.92.1 | SUSE-SU-2023:3252-1, SUSE-SU-2023:2320-1 |
| SUSE Manager Server 4.2 | wireshark | 3.6.15-150000.3.97.1 | SUSE-SU-2023:3252-1 |
| SUSE Manager Proxy 4.2 | wireshark | 3.6.15-150000.3.97.1 | SUSE-SU-2023:3252-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 4.0.6-1.1 | openSUSE-SU-2024:12958-1 |
| openSUSE Leap 15.5 | wireshark | 3.6.14-150000.3.92.1 | SUSE-SU-2023:3252-1, SUSE-SU-2023:2320-1 |
| openSUSE Leap 15.4 | wireshark | 3.6.14-150000.3.92.1 | SUSE-SU-2023:3252-1, SUSE-SU-2023:2320-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | wireshark-cli +1 | 1:4.0.6-1.amzn2023.0.1 | ALAS2023-2023-197 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | wireshark +2 | 1:3.4.10-6.el9 | ELSA-2023-6469 |
Advisories 11
- ALSA-2023:6469 Moderate: wireshark security update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2023-2917 Xerox FreeFlow Print Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 30, 2026
- RHSA-2023:6469 Red Hat Security Advisory: wireshark security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DLA-3906-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-5429-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2023:3252-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12958-1 libwireshark16-4.0.6-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:2320-1 Security update for wireshark SUSE / openSUSE Security Updates · May 2, 2025
- ALAS2023-2023-197 Important: wireshark security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 26, 2025
- WID-SEC-2023-1300 Wireshark: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 29, 2024
- ELSA-2023-6469 Moderate: wireshark security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 11, 2023
References
- https://takeonme.org/cves/CVE-2023-0668.html third-party-advisory
- https://gitlab.com/wireshark/wireshark/-/issues/19087 issue-tracking
- https://www.wireshark.org/docs/relnotes/wireshark-4.0.6.html release-notes
- https://www.wireshark.org/security/wnpa-sec-2023-19.html vendor-advisory
- https://www.debian.org/security/2023/dsa-5429
- https://security.gentoo.org/glsa/202309-02