Buffer overflow in Samba

CVE-2018-10858

A heap-buffer overflow was found in the way samba clients processed extra long filename in a directory listing. A malicious samba server could use this flaw to cause arbitrary code execution on a samba client. Samba versions before 4.6.16, 4.7.9 and 4.8.4 are vulnerable.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.043 (90.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-10858?
CVE-2018-10858 is a medium-severity vulnerability in Samba, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2018-08-22.
How severe is CVE-2018-10858?
Medium severity. CVSS v3 base score is 4.3 out of 10.