What is CVE-2018-14346?

CVE-2018-14346 is a high-severity vulnerability in GNU Libextractor, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-07-17.

How severe is CVE-2018-14346?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in GNU Libextractor

CVE-2018-14346

GNU Libextractor before 1.7 has a stack-based buffer overflow in ec_read_file_func (unzip.c).

Vulnerability class: Buffer Overflow

Published 2018-07-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (81.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: +0.000

Affected products

GNU Libextractor
Debian Linux — versions 8.0, 9.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

www.debian.org/security/2018/dsa-4290 (vendor-advisory, Third Party Advisory)
lists.debian.org/debian-lts-announce/2018/08/msg00025.html (mailing-list, Mailing List, Third Party Advisory)
gnunet.org/git/libextractor.git/commit/ (Patch, Vendor Advisory)
lists.gnu.org/archive/html/bug-libextractor/2018-07/msg00001.html (Exploit, Mailing List, Vendor Advisory)

Frequently asked questions

What is CVE-2018-14346?: CVE-2018-14346 is a high-severity vulnerability in GNU Libextractor, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2018-07-17.
How severe is CVE-2018-14346?: High severity. CVSS v3 base score is 8.8 out of 10.