# CVE-2026-5405: wireshark: 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 co...

CVE-2026-5405 is fixed in 5 products on 1 platform, first by RHSA-2026:26182, released April 30, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-5405
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0016
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 30, 2026

## 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

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | wireshark Debian 12.15 (bookworm) | 4.0.17-0+deb12u3 | [DEBIAN-CVE-2026-5405](https://patchblox.com/security/data/fix/linux/debian-cve-2026-5405.md) | May 15, 2026 |
| Linux | wireshark Debian 13.5 (trixie) | 4.4.15-0+deb13u1 | [DEBIAN-CVE-2026-5405](https://patchblox.com/security/data/fix/linux/debian-cve-2026-5405.md) | May 15, 2026 |
| Linux | wireshark Debian 14 | 4.6.5-1 | [DEBIAN-CVE-2026-5405](https://patchblox.com/security/data/fix/linux/debian-cve-2026-5405.md) | May 15, 2026 |
| Linux | wireshark RHEL 10 | 4.4.2-3.el10_0.4 | [RHSA-2026:26182](https://patchblox.com/security/data/fix/linux/rhsa-2026-26182.md) | Apr 30, 2026 |
| Linux | wireshark almalinux 10 | 1:4.4.2-10.el10_2 | [ALSA-2026:20600](https://patchblox.com/security/data/fix/linux/alsa-2026-20600.md) | May 26, 2026 |
| Linux | wireshark ol 10 | 1:4.4.2-10.0.1.el10_2 | [ELSA-2026-20600](https://patchblox.com/security/data/fix/linux/elsa-2026-20600.md) | Jul 16, 2026 |
| Linux | wireshark rocky 10 | 1:4.4.2-10.el10_2 | [RLSA-2026:20600](https://patchblox.com/security/data/fix/linux/rlsa-2026-20600.md) | Jun 4, 2026 |
| Linux | wireshark sles 15.6 | 4.2.14-150600.18.41.1 | [SUSE-SU-2026:2437-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2437-1.md) | Jun 17, 2026 |
| Linux | wireshark sles 15.7 | 4.6.7-150700.21.11.1 | [SUSE-SU-2026:3501-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3501-1.md) | Aug 5, 2026 |
| Linux | wireshark-cli almalinux 10 | 1:4.4.2-10.el10_2 | [ALSA-2026:20600](https://patchblox.com/security/data/fix/linux/alsa-2026-20600.md) | May 26, 2026 |
| Linux | wireshark-cli amzn 2023 | 1:4.4.2-1.amzn2023.0.5 | [ALAS2023-2026-1677](https://patchblox.com/security/data/fix/linux/alas2023-2026-1677.md) | May 11, 2026 |
| Linux | wireshark-cli ol 10 | 1:4.4.2-10.0.1.el10_2 | [ELSA-2026-20600](https://patchblox.com/security/data/fix/linux/elsa-2026-20600.md) | Jul 16, 2026 |
| Linux | wireshark-cli-debuginfo amzn 2023 | 1:4.4.2-1.amzn2023.0.5 | [ALAS2023-2026-1677](https://patchblox.com/security/data/fix/linux/alas2023-2026-1677.md) | May 11, 2026 |
| Linux | wireshark-debugsource amzn 2023 | 1:4.4.2-1.amzn2023.0.5 | [ALAS2023-2026-1677](https://patchblox.com/security/data/fix/linux/alas2023-2026-1677.md) | May 11, 2026 |
| Linux | wireshark-devel almalinux 10 | 1:4.4.2-10.el10_2 | [ALSA-2026:20600](https://patchblox.com/security/data/fix/linux/alsa-2026-20600.md) | May 26, 2026 |
| Linux | wireshark-devel amzn 2023 | 1:4.4.2-1.amzn2023.0.5 | [ALAS2023-2026-1677](https://patchblox.com/security/data/fix/linux/alas2023-2026-1677.md) | May 11, 2026 |
| Linux | wireshark-devel ol 10 | 1:4.4.2-10.0.1.el10_2 | [ELSA-2026-20600](https://patchblox.com/security/data/fix/linux/elsa-2026-20600.md) | Jul 16, 2026 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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