What is CVE-2017-8305?

CVE-2017-8305 is a critical-severity vulnerability in 13thmonkey Udfclient, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-04-27.

How severe is CVE-2017-8305?

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

Buffer overflow in 13thmonkey Udfclient

CVE-2017-8305

The UDFclient (before 0.8.8) custom strlcpy implementation has a buffer overflow. UDFclient's strlcpy is used only on systems with a C library (e.g., glibc) that lacks its own strlcpy.

Vulnerability class: Buffer Overflow

Published 2017-04-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (71.0th percentile), scored 2026-10-06.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

13thmonkey Udfclient

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

bugs.debian.org/cgi-bin/bugreport.cgi (Mailing List, Third Party Advisory)
www.13thmonkey.org/udfclient/ (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2017-8305?: CVE-2017-8305 is a critical-severity vulnerability in 13thmonkey Udfclient, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-04-27.
How severe is CVE-2017-8305?: Critical severity. CVSS v3 base score is 9.8 out of 10.