Medium 6.5Published Jun 29, 2020

CVE-2020-15389jp2/opj_decompress.c in OpenJPEG through 2.3.1 has a use-after-free that can be triggered if there is a mix of valid and invalid files in a directory operated on by the decompressor.

Updated under an hour ago (Nov 2, 2026, 1:40 AM ET)

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It affects uclouvain openjpeg and 2 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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Start free and add your stackFree account, 3 products Every CVE for uclouvain openjpeg Exploited in the last 30 days

jp2/opj_decompress.c in OpenJPEG through 2.3.1 has a use-after-free that can be triggered if there is a mix of valid and invalid files in a directory operated on by the decompressor. Triggering a double-free may also be possible. This is related to calling opj_image_destroy twice.

CVSS: 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H
Weakness (CWE): CWE-416
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	through 2.3.1	NVD
debian debian_linux debian:debian_linux	9.0; 10.0	NVD
oracle outside_in_technology oracle:outside_in_technology	8.5.4; 8.5.5	NVD

References

References

https://github.com/uclouvain/openjpeg/issues/1261	patch, third-party-advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00008.html	mailing-list, third-party-advisory
https://pastebin.com/4sDKQ7U8	third-party-advisory
https://security.gentoo.org/glsa/202101-29	third-party-advisory
https://www.debian.org/security/2021/dsa-4882	third-party-advisory
https://www.oracle.com//security-alerts/cpujul2021.html	third-party-advisory
https://www.oracle.com/security-alerts/cpuoct2020.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.