Description
Due to a failure in validating the length provided by an attacker-crafted CP2179 packet, Wireshark versions 2.0.0 through 4.0.7 is susceptible to a divide by zero allowing for a denial of service attack.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Wireshark Foundation | Wireshark | 2.0.0 – ≤ 4.0.7 | — |
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 | 4.0.8-1 | — |
| Debian 13 | wireshark | 4.0.8-1 | — |
| Debian 12 | wireshark | 4.0.11-1~deb12u1 | DSA-5559-1 |
| 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 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | wireshark | 3.6.16-150000.3.100.1 | SUSE-SU-2023:3778-1 |
| SLES 15 SP4 | wireshark | 3.6.16-150000.3.100.1 | SUSE-SU-2023:3778-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Manager Server 4.2 | wireshark | 3.6.16-150000.3.100.1 | SUSE-SU-2023:3778-1 |
| SUSE Manager Proxy 4.2 | wireshark | 3.6.16-150000.3.100.1 | SUSE-SU-2023:3778-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 4.0.8-2.1 | openSUSE-SU-2024:13184-1 |
| openSUSE Leap 15.5 | wireshark | 3.6.16-150000.3.100.1 | SUSE-SU-2023:3778-1 |
| openSUSE Leap 15.4 | wireshark | 3.6.16-150000.3.100.1 | SUSE-SU-2023:3778-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | wireshark-cli +1 | 1:4.0.8-2.amzn2023.0.1 | ALAS2023-2023-348 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | wireshark | 4.4.7-1 | — |
| Azure Linux 2 (CBL-Mariner) | wireshark | 4.0.8-1 | — |
Advisories 6
- DLA-3906-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-5559-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2023:3778-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13184-1 libwireshark16-4.0.8-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-2180 Wireshark: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Sep 29, 2024
- ALAS2023-2023-348 Moderate: wireshark security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Sep 20, 2023
References
- https://takeonme.org/cves/CVE-2023-2906.html exploit third-party-advisory technical-description
- https://gitlab.com/wireshark/wireshark/-/issues/19229 patch
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L4AVRUYSHDNEAJILVSGY5W6MPOMG2YRF/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6HCUPLDY7HLPO46PHMGIJSUBJFTT237C/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TRKHFQPWFU7F3OXTL6IEIQSJG6FVXZTZ/