Description
RDP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Wireshark Foundation | Wireshark | 4.6.0 – < 4.6.5, 4.4.0 – < 4.4.15 | 4.6.5 |
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 | 4.6.5-1 | — |
| Debian 13 | wireshark | 4.4.15-0+deb13u1 | — |
| Debian 12 | wireshark | 4.0.17-0+deb12u3 | — |
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 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | wireshark +2 | 1:4.4.2-10.el10_2 | RHSA-2026:20600 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10.0 EUS | wireshark +2 | 1:4.4.2-3.el10_0.4 | RHSA-2026:26182 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | wireshark +2 | 1:4.4.2-10.el10_2 | ALSA-2026:20600 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | wireshark | 1:4.4.2-10.el10_2 | RLSA-2026:20600 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | wireshark | 4.6.7-150700.21.11.1 | SUSE-SU-2026:3501-1 |
| SLES 15 SP6 | wireshark | 4.2.14-150600.18.41.1 | SUSE-SU-2026:2437-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP6 | wireshark | 4.2.14-150600.18.41.1 | SUSE-SU-2026:2437-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 4.6.5-1.1 | openSUSE-SU-2026:10686-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | wireshark-cli +1 | 1:4.4.2-1.amzn2023.0.5 | ALAS2023-2026-1677 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | wireshark | No fix yet | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | wireshark +2 | 1:4.4.2-10.0.1.el10_2 | ELSA-2026-20600 |
Advisories 11
- ALSA-2026:20600 Important: wireshark security update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2026-2455 Oracle Solaris Drittanbieterkomponenten: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 27, 2026
- WID-SEC-2026-1311 Wireshark: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 16, 2026
- SUSE-SU-2026:3501-1 Security update for wireshark SUSE / openSUSE Security Updates · Aug 6, 2026
- ELSA-2026-20600 Important: wireshark security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Jul 16, 2026
- RHSA-2026:26182 Red Hat Security Advisory: wireshark security update Red Hat Security Advisories (RHSA) · Jul 9, 2026
- RHSA-2026:20600 Red Hat Security Advisory: wireshark security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- SUSE-SU-2026:2437-1 Security update for wireshark SUSE / openSUSE Security Updates · Jun 18, 2026
- RLSA-2026:20600 Important: wireshark security update Rocky Linux Security Advisories · Jun 4, 2026
- ALAS2023-2026-1677 Important: wireshark security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · May 13, 2026
- openSUSE-SU-2026:10686-1 libwireshark19-4.6.5-1.1 on GA media SUSE / openSUSE Security Updates · May 5, 2026
References
- https://www.wireshark.org/security/wnpa-sec-2026-17.html
- GitLab Issue #21105 issue-tracking permissions-required