EIP-2026-102736

PRE-CVE

Samba 3.4.7/3.5.1 - Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-102736. PoCs published by laurent gaffie.

AI-analyzed exploit summary The exploit demonstrates two denial-of-service vulnerabilities in Samba's SMB protocol handling. The first triggers a null pointer dereference by manipulating Unicode flags in 'Negotiate Protocol' and 'Session Setup AndX' requests, while the second causes an uninitialized variable read by setting the 'security blob length' to an invalid value.

Description

Samba 3.4.7/3.5.1 - Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by laurent gaffie · textdoslinux
https://www.exploit-db.com/exploits/12588

The exploit demonstrates two denial-of-service vulnerabilities in Samba's SMB protocol handling. The first triggers a null pointer dereference by manipulating Unicode flags in 'Negotiate Protocol' and 'Session Setup AndX' requests, while the second causes an uninitialized variable read by setting the 'security blob length' to an invalid value.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Samba <=3.4.7 and Samba <=3.5.1
No auth needed
Prerequisites: Network access to the target's SMB port (445)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026