What is CVE-2018-18088?

CVE-2018-18088 is a medium-severity vulnerability in Uclouvain Openjpeg, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2018-10-09.

How severe is CVE-2018-18088?

Medium severity. CVSS v3 base score is 6.5 out of 10.

NULL pointer dereference in Uclouvain Openjpeg

CVE-2018-18088

OpenJPEG 2.3.0 has a NULL pointer dereference for "red" in the imagetopnm function of jp2/convert.c

Published 2018-10-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.021 (81.0th percentile), scored 2026-09-30.

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

Uclouvain Openjpeg — versions 2.3.0
Debian Linux — versions 8.0, 9.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

github.com/uclouvain/openjpeg/issues/1152 (Exploit, Third Party Advisory)
lists.debian.org/debian-lts-announce/2018/11/msg00018.html (mailing-list, Mailing List, 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-2018-18088?: CVE-2018-18088 is a medium-severity vulnerability in Uclouvain Openjpeg, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2018-10-09.
How severe is CVE-2018-18088?: Medium severity. CVSS v3 base score is 6.5 out of 10.