Medium 5.5Published Jun 26, 2019

CVE-2019-12973In OpenJPEG 2.3.1, there is excessive iteration in the opj_t1_encode_cblks function of openjp2/t1.c.

Updated under an hour ago (Nov 2, 2026, 12:20 AM ET)

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It affects uclouvain openjpeg and 4 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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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.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-834
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

uclouvain openjpeg uclouvain:openjpeg	2.3.1	NVD
opensuse leap opensuse:leap	15.0; 15.1	NVD
debian debian_linux debian:debian_linux	9.0	NVD
oracle database_server oracle:database_server	18c	NVD
oracle outside_in_technology oracle:outside_in_technology	8.5.4; 8.5.5	NVD

References

References

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00088.html	mailing-list, third-party-advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00090.html	mailing-list, third-party-advisory
http://www.securityfocus.com/bid/108900	third-party-advisory, vdb-entry
https://github.com/uclouvain/openjpeg/commit/8ee335227bbcaf1614124046aa25e53d67b11ec3	patch, third-party-advisory
https://github.com/uclouvain/openjpeg/pull/1185/commits/cbe7384016083eac16078b359acd7a842253d503	broken-link
https://lists.debian.org/debian-lts-announce/2020/07/msg00008.html	mailing-list, third-party-advisory
https://security.gentoo.org/glsa/202101-29	third-party-advisory
https://www.oracle.com//security-alerts/cpujul2021.html	third-party-advisory
https://www.oracle.com/security-alerts/cpujul2020.html	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.