What is CVE-2018-1160?

CVE-2018-1160 is a critical-severity vulnerability in Netatalk, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2018-12-20.

How severe is CVE-2018-1160?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2018-1160 known to be exploited?

11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Netatalk

CVE-2018-1160

Netatalk before 3.1.12 is vulnerable to an out of bounds write in dsi_opensess.c. This is due to lack of bounds checking on attacker controlled data. A remote unauthenticated attacker can leverage this vulnerability to achieve arbitrary code execution.

Vulnerability class: Buffer Overflow

Published 2018-12-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.865 (99.7th percentile), scored 2026-10-15.

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.865 · newest: 0.865 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

netatalk.sourceforge.net/3.1/ReleaseNotes3.1.12.html (Release Notes)
attachments.samba.org/attachment.cgi (Third Party Advisory)
www.securityfocus.com/bid/106301 (VDB Entry, Third Party Advisory, vdb-entry)
www.exploit-db.com/exploits/46034/ (Exploit, VDB Entry, Third Party Advisory, exploit)
github.com/tenable/poc/tree/master/netatalk/cve_2018_1160/ (Third Party Advisory, Release Notes)
www.exploit-db.com/exploits/46048/ (Exploit, VDB Entry, Third Party Advisory, exploit)
www.synology.com/security/advisory/Synology_SA_18_62 (Third Party Advisory)
www.tenable.com/security/research/tra-2018-48 (Exploit, Third Party Advisory, Release Notes)
www.debian.org/security/2018/dsa-4356 (vendor-advisory, Third Party Advisory)
www.exploit-db.com/exploits/46675/ (Exploit, VDB Entry, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2018-1160?: CVE-2018-1160 is a critical-severity vulnerability in Netatalk, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2018-12-20.
How severe is CVE-2018-1160?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-1160 known to be exploited?: 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.