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Fencer Vulns
medium 6.5

CVE-2018-18088 json

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

published 2018-10-09 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-9826

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

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

Patch / fix

  • openjpeg2 Debian 14, Debian 13, Debian 12 2.3.0-2

debian advisories DEBIAN-CVE-2018-18088

  • openjpeg2 Ubuntu 16.04 LTS 2.1.2-1.1+deb9u3build0.16.04.1
  • openjpeg2 Ubuntu 18.04 LTS 2.3.0-2build0.18.04.1
  • openjpeg Ubuntu Pro 16.04 LTS 1:1.5.2-3.1ubuntu0.1~esm2

ubuntu advisories UBUNTU-CVE-2018-18088

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • openjpeg2 SLE Module for Package Hub 15 SP7, SLE Module for Package Hub 15 SP6, SLE Module for Basesystem 15 SP7 +2 more 2.3.0-150000.3.21.1
  • openjpeg2 SLES LTSS Extended Security 12 SP5 2.1.0-4.24.1

suse advisories SUSE-SU-2025:03353-1SUSE-SU-2025:03352-1

  • openjpeg Alpine 3.24, Alpine 3.23, Alpine 3.22 +16 more 2.3.0-r1

alpine advisories ALPINE-CVE-2018-18088

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-18088 updated cvss 3.3

openjpeg2: NULL pointer dereference in the imagetopnm function of jp2/convert.c

  • Red Hat Enterprise Linux 8 openjpeg2, openjpeg2-tools
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.18% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/uclouvain/openjpeg/issues/1152 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.