Integer Overflow in OpenJPEG v2.4.0 allows remote attackers to crash the application…
Priority LOW 28CWE-190Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 2 fixed, 3 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.
Summary
Integer Overflow in OpenJPEG v2.4.0 allows remote attackers to crash the application, causing a Denial of Service (DoS). This occurs when the attacker uses the command line option "-ImgDir" on a directory that contains 1048576 files.
Why it matters now
EPSS 0.0156 75th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 1 advisoryRed Hat: 2 fixed, 3 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:uclouvain:openjpeg:2.4.0:*:*:*:*:*:*:* | 2.4.0 | Vulnerable | The OpenJPEG Project |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 33 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 34 | Vulnerable | Fedoraproject |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
- cpe:2.3:a:uclouvain:openjpeg:2.4.0:*:*:*:*:*:*:* Versions 2.4.0 Vulnerable ·The OpenJPEG Project
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
Remediation
Red Hat 1 advisory
- RHSA-2021:4251 Released 2021-11-09 · Red Hat rating Moderateopenjpeg2 security update
- Red Hat CodeReady Linux Builder (v. 8) openjpeg2-devel-2.4.0-4.el8, openjpeg2-tools-2.4.0-4.el8
- Red Hat Enterprise Linux AppStream (v. 8) openjpeg2-2.4.0-4.el8, openjpeg2-devel-docs-2.4.0-4.el8, openjpeg2-tools-2.4.0-4.el8
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2021:4251 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2021:4251 |
Not affected: 1 product
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2021-29338
- 2026-10-03 Alias added: GHSA-q6p7-g6cv-v3pc
References
Sources
- CVE-2021-29338 · CVE Program
- CVE-2021-29338 · NVD
- FIRST EPSS
- GHSA-q6p7-g6cv-v3pc · GitHub Advisory Database · CC BY 4.0
- CVE-2021-29338 · Red Hat security data · CC BY 4.0
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