Skip to content
Vulnerability Intelligence

CVE-2003-0085

CriticalPublic exploit

Buffer overflow in the SMB/CIFS packet fragment re-assembly code for SMB daemon (smbd) in Samba before 2.2.8, and Samba-TNG before 0.3.1, allows remote attackers to execute arbitrary code.

Published Mar 31, 2003 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2003-0085, DSA-262

Key Facts

Patch immediately
  • CVE-2003-0085 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Cifs-9000 Server (Hp), Samba, rootio-samba.
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 86% probability of exploitation in the next 30 days.
  • Fixed versions are available, including rootio-samba 2.2.8, Samba 2.2.3a-12.1, Samba 2.2.8.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

10.0

AV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS (30-day exploit likelihood)

86%

Higher than 99.7% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2003-0085 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Buffer overflow in the SMB/CIFS packet fragment re-assembly code for SMB daemon (smbd) in Samba before 2.2.8, and Samba-TNG before 0.3.1, allows remote attackers to execute arbitrary code.

Affected Products

41 affected entries in total
ProductAffected versionsFixed in
Cifs-9000 ServerHpa.01.05, a.01.06, a.01.07, a.01.08, a.01.08.01, a.01.09, a.01.09.01n/a
SambaSamba2.0.0, 2.0.1, 2.0.10, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.62.2.8
rootio-sambarootioSee advisory2.2.8

Patched Releases

rootio-samba

2.2.8

Samba

2.2.3a-12.1, 2.2.8

Timeline

  1. Publicly disclosed

    Mar 31, 2003

  2. Last updated

    Aug 4, 2026

References

15 more references in the full CVE brief

FAQ

Common Questions.

Is CVE-2003-0085 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.

Request A Demo