High severity7.5NVD Advisory· Published Jun 8, 2026· Updated Jun 8, 2026
CVE-2026-3238
CVE-2026-3238
Description
A flaw was found in Samba’s WINS server component when running as an Active Directory Domain Controller. The WINS protocol handlers for certain request types did not properly validate incoming packets, allowing an unauthenticated remote attacker to trigger a NULL pointer dereference and crash the WINS service using specially crafted UDP packets.
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Affected products
7- osv-coords5 versionspkg:rpm/opensuse/samba&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/samba&distro=openSUSE%20Tumbleweedpkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/samba&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/samba&distro=SUSE%20Linux%20Micro%206.2
< 4.22.9+git.506.22c03ce0781-160000.1.1+ 4 more
- (no CPE)range: < 4.22.9+git.506.22c03ce0781-160000.1.1
- (no CPE)range: < 4.23.8+git.477.f78166bceed-1.1
- (no CPE)range: < 4.22.9+git.506.22c03ce0781-160000.1.1
- (no CPE)range: < 4.22.9+git.506.22c03ce0781-160000.1.1
- (no CPE)range: < 4.22.9+git.506.22c03ce0781-160000.1.1
Patches
Vulnerability mechanics
References
3News mentions
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