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Fencer Vulns
high 8.8

CVE-2018-16376 json

An issue was discovered in OpenJPEG 2.3.0.

published 2018-09-03 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-8222

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

An issue was discovered in OpenJPEG 2.3.0. A heap-based buffer overflow was discovered in the function t2_encode_packet in lib/openmj2/t2.c. The vulnerability causes an out-of-bounds write, which may lead to remote denial of service or possibly unspecified other impact.

Patch / fix

  • openjpeg SLES for SAP 15 SP2, SLES for SAP 15 SP1, SLES for SAP 15 +19 more 1.5.2-150000.4.5.1
  • openjpeg2 SLES for SAP 15 SP2, SLES for SAP 15 SP1, SLES for SAP 15 +20 more 2.3.0-150000.3.5.1
  • openjpeg2 SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +10 more 2.1.0-4.15.1

suse advisories SUSE-SU-2022:1296-1SUSE-SU-2022:1252-1SUSE-SU-2022:1129-1

  • openjpeg2 Arch Linux 2.5.0-1

arch linux advisories AVG-1390

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-2018-16376 updated cvss 5.8

openjpeg: Heap-based buffer overflow in function t2_encode_packet in src/lib/openmj2/t2.c

  • Red Hat Enterprise Linux 6 openjpeg, openjpeg-libs Red Hat Enterprise Linux 7 openjpeg, openjpeg-libs Red Hat Enterprise Linux 8 openjpeg
    affected: no fix planned “Will not fix”
  • 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

2.80% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/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.