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Fencer Vulns
medium 5.5

CVE-2019-12973 json

In OpenJPEG 2.3.1, there is excessive iteration in the opj_t1_encode_cblks function of openjp2/t1.c.

published 2019-06-26 7 y ago modified 2026-07-25 3 mo ago also EUVD-2019-4548 , JLSEC-2026-533

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

In OpenJPEG 2.3.1, there is excessive iteration in the opj_t1_encode_cblks function of openjp2/t1.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted bmp file. This issue is similar to CVE-2018-6616.

Patch / fix

  • julia OpenJpeg_jll 2.4.0+0
  • openjpeg2 Debian 14, Debian 13, Debian 12 2.4.0-1

debian advisories DEBIAN-CVE-2019-12973

  • openjpeg2 Ubuntu 16.04 LTS 2.1.2-1.1+deb9u5build0.16.04.1
  • openjpeg2 Ubuntu 20.04 LTS 2.3.1-1ubuntu4
  • openjpeg2 Ubuntu Pro 18.04 LTS 2.3.0-2ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2019-12973

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 RHEL 8 2.4.0-4.el8
  • openjpeg2-tools RHEL 8 2.4.0-4.el8

red hat advisories RHSA-2021:4251

  • ghostscript SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +18 more 9.27-23.28.1
  • ghostscript SLE Module for Basesystem 15 SP1, SLE Module for Basesystem 15 9.27-3.21.1

suse advisories SUSE-SU-2019:2478-1SUSE-SU-2019:2460-1

  • ghostscript openSUSE Tumbleweed 9.54.0-2.2
  • ghostscript openSUSE Leap 15.1 9.27-lp151.3.6.1
  • ghostscript-mini openSUSE Leap 15.1 9.27-lp151.3.6.1
  • ghostscript openSUSE Leap 15.0 9.27-lp150.2.23.1
  • ghostscript-mini openSUSE Leap 15.0 9.27-lp150.2.23.1

opensuse advisories openSUSE-SU-2024:10783-1openSUSE-SU-2019:2223-1openSUSE-SU-2019:2222-1

  • openjpeg2 AlmaLinux 8 2.4.0-4.el8
  • openjpeg2-tools AlmaLinux 8 2.4.0-4.el8

almalinux advisories ALSA-2021:4251

  • openjpeg2 Rocky Linux 8 2.4.0-4.el8

rocky linux advisories RLSA-2021:4251

  • openjpeg Alpine 3.11, Alpine 3.10 2.3.1-r4
  • openjpeg Alpine 3.24, Alpine 3.23, Alpine 3.22 +10 more 2.3.1-r5
  • openjpeg Alpine 3.9 2.3.0-r6

alpine advisories ALPINE-CVE-2019-12973

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

  • openjpeg2 Arch Linux 2.4.0-1

arch linux advisories AVG-1339

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-2019-12973 updated cvss 3.3

openjpeg: denial of service in function opj_t1_encode_cblks in openjp2/t1.c

  • Red Hat Enterprise Linux 7 openjpeg2, openjpeg2-tools
    affected: no fix planned “Out of support scope”
  • Red Hat CodeReady Linux Builder (v. 8) openjpeg2-tools 2.4.0-4.el8 Red Hat Enterprise Linux AppStream (v. 8) openjpeg2 2.4.0-4.el8, openjpeg2-tools 2.4.0-4.el8
    fixed: vendor fix RHSA-2021:4251
  • Red Hat Enterprise Linux 6 openjpeg, openjpeg-libs Red Hat Enterprise Linux 7 openjpeg, openjpeg-libs
    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

2.60% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/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
OSV 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
julia OpenJpeg_jll
<2.4.0+0
2.4.0+0

Classification

Weakness
Technology feeds

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.