CVE-2021-3575: A heap-based buffer overflow was found in openjpeg in color.c:379:42 in sycc420_to_rgb when decompressing a crafted .j2k file

High severity · published Mar 4, 2022

CVE-2021-3575

A heap-based buffer overflow was found in openjpeg in color.c:379:42 in sycc420_to_rgb when decompressing a crafted .j2k file

7.8

CVSS

1.5%

EPSS

On KEV

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.

CVSS vector

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

Attack vector

Local

Complexity

Low

Privileges

None

User interaction

Required

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)1.5% · higher than 75% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Enterprise Linux · Redhat

6.0; 7.0; 8.0 · source: NVD

Fedora · Fedoraproject

33; 34 · source: NVD

Openjpeg · Uclouvain

through 2.4.0 · source: NVD

Affected product

Fedora

Fedoraproject

All Fedora CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2021-3575

CVE.org

https://www.cve.org/CVERecord?id=CVE-2021-3575

Issue Tracking

https://bugzilla.redhat.com/show_bug.cgi?id=1957616

Exploit

https://github.com/uclouvain/openjpeg/issues/1347

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ54FGM2IGAP4AWSJ22JKHOPHCR3FGYU/

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QB6AI7CWXWMEDZIQY4LQ6DMIEXMDOHUP/

Third Party Advisory

https://ubuntu.com/security/CVE-2021-3575

lists.debian.org

https://lists.debian.org/debian-lts-announce/2025/04/msg00002.html