What is CVE-2018-14423?

CVE-2018-14423 is a high-severity vulnerability in Uclouvain Openjpeg, classified under Divide By Zero. CVSS score: 7.5/10. Published 2018-07-19.

How severe is CVE-2018-14423?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Uclouvain Openjpeg

CVE-2018-14423

Division-by-zero vulnerabilities in the functions pi_next_pcrl, pi_next_cprl, and pi_next_rpcl in lib/openjp3d/pi.c in OpenJPEG through 2.3.0 allow remote attackers to cause a denial of service (application crash).

Published 2018-07-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.032 (87.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000

Affected products

Uclouvain Openjpeg
Debian Linux — versions 8.0, 9.0

Weakness classification (CWE)

CWE-369 — Divide By Zero

References

lists.debian.org/debian-lts-announce/2018/12/msg00013.html (mailing-list, Third Party Advisory, Issue Tracking)
github.com/uclouvain/openjpeg/issues/1123 (Exploit, Patch, Third Party Advisory)
www.debian.org/security/2019/dsa-4405 (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/4109-1/ (vendor-advisory)

Frequently asked questions

What is CVE-2018-14423?: CVE-2018-14423 is a high-severity vulnerability in Uclouvain Openjpeg, classified under Divide By Zero. CVSS score: 7.5/10. Published 2018-07-19.
How severe is CVE-2018-14423?: High severity. CVSS v3 base score is 7.5 out of 10.