CVE-2025-9817
wireshark: SSH dissector crash in Wireshark 4.4.0 to 4.4.8 allows denial of service
CVE-2025-9817 is fixed in 6 products on 1 platform, first by RHSA-2026:2763, released September 3, 2025. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0021
10th percentile
SSH dissector crash in Wireshark 4.4.0 to 4.4.8 allows denial of service
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libvirt · sles 15.7 | 11.0.0-150700.4.19.1 | SUSE-SU-2026:1169-1 | Apr 2, 2026 |
| wireshark · Debian 12.15 (bookworm) | 4.0.17-0+deb12u2 | DEBIAN-CVE-2025-9817 | Sep 3, 2025 |
| wireshark · Debian 13.5 (trixie) | 4.4.13-0+deb13u1 | DEBIAN-CVE-2025-9817 | Sep 3, 2025 |
| wireshark · Debian 14 | 4.4.9-1 | DEBIAN-CVE-2025-9817 | Sep 3, 2025 |
| wireshark · RHEL 10 | 4.4.2-3.el10_0.2 | RHSA-2026:2763 | Sep 3, 2025 |
| wireshark · almalinux 10 | 1:4.4.2-4.el10_1.2 | ALSA-2026:1714 | Feb 2, 2026 |
| wireshark · ol 10 | 1:4.4.2-4.0.1.el10_1.2 | ELSA-2026-1714 | Feb 2, 2026 |
| wireshark · opensuse-leap 15.6 | 4.2.13-150600.18.26.1 | SUSE-SU-2025:03294-1 | Sep 22, 2025 |
| wireshark · opensuse-leap 16.0 | 4.4.13-160000.1.1 | OPENSUSE-SU-2026:20151-1 | Feb 2, 2026 |
| wireshark · rocky 10 | 1:4.4.2-4.el10_1.2 | RLSA-2026:1714 | Feb 5, 2026 |
| wireshark · sles 15.6 | 4.2.13-150600.18.26.1 | SUSE-SU-2025:03294-1 | Sep 22, 2025 |
| wireshark · sles 15.7 | 4.6.4-150700.21.8.1 | SUSE-SU-2026:1169-1 | Apr 2, 2026 |
| wireshark · sles 16.0 | 4.4.13-160000.1.1 | SUSE-SU-2026:20222-1 | Feb 2, 2026 |
| wireshark-cli · almalinux 10 | 1:4.4.2-4.el10_1.2 | ALSA-2026:1714 | Feb 2, 2026 |
| wireshark-cli · amzn 2023 | 1:4.4.2-1.amzn2023.0.2 | ALAS2023-2025-1175 | Sep 10, 2025 |
| wireshark-cli · ol 10 | 1:4.4.2-4.0.1.el10_1.2 | ELSA-2026-1714 | Feb 2, 2026 |
| wireshark-cli-debuginfo · amzn 2023 | 1:4.4.2-1.amzn2023.0.2 | ALAS2023-2025-1175 | Sep 10, 2025 |
| wireshark-debugsource · amzn 2023 | 1:4.4.2-1.amzn2023.0.2 | ALAS2023-2025-1175 | Sep 10, 2025 |
| wireshark-devel · almalinux 10 | 1:4.4.2-4.el10_1.2 | ALSA-2026:1714 | Feb 2, 2026 |
| wireshark-devel · amzn 2023 | 1:4.4.2-1.amzn2023.0.2 | ALAS2023-2025-1175 | Sep 10, 2025 |
| wireshark-devel · ol 10 | 1:4.4.2-4.0.1.el10_1.2 | ELSA-2026-1714 | Feb 2, 2026 |
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