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No exploitation reportedFix available

CVE-2021-3575

No exploitation reported by the sources we read.

  • Published2022-03-04
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2022-03-0418:15CVE publishedNVD

Versions per branch

NVD
Redhat enterprise linux
BranchAffectedFixed in
6.0= 6.0no fix published
7.0= 7.0no fix published
8.0= 8.0no fix published
Fedoraproject fedora
BranchAffectedFixed in
33.x= 33no fix published
34.x= 34no fix published
Uclouvain openjpeg
BranchAffectedFixed in
2.4≤ 2.4.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • blenderUbuntu:26.10all versions · no fixed version listedand 2 other packages
  • blenderUbuntu:26.04:LTSall versions · no fixed version listedand 1 other package
  • blenderUbuntu:25.10all versions · no fixed version listedand 2 other packages
  • blenderUbuntu:24.04:LTSall versions · no fixed version listed
  • blenderUbuntu:22.04:LTSall versions · no fixed version listedand 1 other package
  • blenderUbuntu:20.04:LTSall versions · no fixed version listedand 1 other package
  • blenderUbuntu:18.04:LTSall versions · no fixed version listedand 1 other package
  • blenderUbuntu:16.04:LTSall versions · no fixed version listedand 2 other packages

35 more package ranges on OSV.dev

Vendor advisories

  • CVE-2021-3575 Red Hat Product Security64 products fixed · 13 known affected

    openjpeg: heap-buffer-overflow in color.c may lead to DoS or arbitrary code execution

    openjpeg as a component of Red Hat Enterprise Linux 6 · openjpeg-devel as a component of Red Hat Enterprise Linux 6 · openjpeg-libs as a component of Red Hat Enterprise Linux 6 · +10 more

  • RHSA-2021:4251 Red Hat Product Security47 products fixed

    Red Hat Security Advisory: openjpeg2 security update

Full record on NVD

Fix

  1. Vendor fix Red Hat Product Security RHSA-2021:4251 · 47 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  2. No fix planned, says the vendor Red Hat Product Security CVE-2021-3575 · 13 productsOut of support scope

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.17.8read 2026-10-23
  • NVDCVSS 2.06.8read 2026-10-23
  • CNAweakness (CWE)CWE-787known since 2026-10-23
  • NVDweakness (CWE)CWE-787read 2026-10-23
  • FIRST EPSSEPSS score1.5 %2026-11-09
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2022-03-04
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-j3vw-4g3g-wvjc

Frequently asked questions

What is 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. An attacker could use this to execute arbitrary code with the permissions of the application compiled against openjpeg.

Is CVE-2021-3575 actively exploited?

Active exploitation of CVE-2021-3575 has not been confirmed. Its EPSS score was 1.5% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-3575?

CVE-2021-3575 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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Sources for this record