CVE-2021-3575

Name: CVE-2021-3575
Creator: NVD / NIST
Published: 2022-03-04T18:15:08.193+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.54%

Last modified Jun 17, 2026

CVE-2021-3575 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A heap-based buffer overflow was found in openjpeg in color.c:379:42 in sycc420_to_rgb when decompressing a crafted .j2k file. An attacker could use this to execute arbitrary code with the permissions of the application compiled against openjpeg.. EPSS estimates a 1.54% chance of exploitation in the next 30 days.

Description

A heap-based buffer overflow was found in openjpeg in color.c:379:42 in sycc420_to_rgb when decompressing a crafted .j2k file. An attacker could use this to execute arbitrary code with the permissions of the application compiled against openjpeg.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.54%

71.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Uclouvain	Openjpeg	<= 2.4.0
Redhat	Enterprise Linux	6.0
Redhat	Enterprise Linux	7.0
Redhat	Enterprise Linux	8.0
Fedoraproject	Fedora	33
Fedoraproject	Fedora	34

References

https://bugzilla.redhat.com/show_bug.cgi?id=1957616Issue Tracking, Third Party Advisory
https://github.com/uclouvain/openjpeg/issues/1347Exploit, Issue Tracking, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ54FGM2IGAP4AWSJ22JKHOPHCR3FGYU/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QB6AI7CWXWMEDZIQY4LQ6DMIEXMDOHUP/
https://ubuntu.com/security/CVE-2021-3575Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1957616Issue Tracking, Third Party Advisory
https://github.com/uclouvain/openjpeg/issues/1347Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/04/msg00002.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ54FGM2IGAP4AWSJ22JKHOPHCR3FGYU/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QB6AI7CWXWMEDZIQY4LQ6DMIEXMDOHUP/
https://ubuntu.com/security/CVE-2021-3575Third Party Advisory

Timeline

Published: Mar 4, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3575?

How severe is CVE-2021-3575?

CVE-2021-3575 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.54% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3575?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-3575?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST