Unrated severityNVD Advisory· Published Sep 3, 2025· Updated Mar 27, 2026
NULL Pointer Dereference in Wireshark
CVE-2025-9817
Description
SSH dissector crash in Wireshark 4.4.0 to 4.4.8 allows denial of service
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
16- osv-coords14 versionspkg:rpm/almalinux/wiresharkpkg:rpm/almalinux/wireshark-clipkg:rpm/almalinux/wireshark-develpkg:rpm/opensuse/wireshark&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/wireshark&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/wireshark&distro=openSUSE%20Tumbleweedpkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/libvirt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP7pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP6pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP7pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0
< 1:4.4.2-4.el10_1.2+ 13 more
- (no CPE)range: < 1:4.4.2-4.el10_1.2
- (no CPE)range: < 1:4.4.2-4.el10_1.2
- (no CPE)range: < 1:4.4.2-4.el10_1.2
- (no CPE)range: < 4.2.13-150600.18.26.1
- (no CPE)range: < 4.4.13-160000.1.1
- (no CPE)range: < 4.4.9-2.1
- (no CPE)range: < 11.0.0-150700.4.19.1
- (no CPE)range: < 11.0.0-150700.4.19.1
- (no CPE)range: < 4.2.13-150600.18.26.1
- (no CPE)range: < 4.2.13-150600.18.26.1
- (no CPE)range: < 4.2.13-150600.18.26.1
- (no CPE)range: < 4.2.13-150600.18.26.1
- (no CPE)range: < 4.4.13-160000.1.1
- (no CPE)range: < 4.4.13-160000.1.1
Patches
Vulnerability mechanics
References
2- gitlab.com/wireshark/wireshark/-/issues/20642mitreissue-trackingpermissions-required
- www.wireshark.org/security/wnpa-sec-2025-03.htmlmitre
News mentions
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