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CVE-2021-29338
Integer Overflow in OpenJPEG v2.4.0 allows remote attackers to crash the application, causing a Denial of Service (DoS). This occurs when…
Medium5.5EPSS 1.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.6% · top 25% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
n/a
- affected n/a
References (6)
- https://github.com/uclouvain/openjpeg/issues/1338 (opens in a new tab)x_refsource_MISCx_transferred
- FEDORA-2021-c1ac2ee5ee (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2021-e145f477df (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- [debian-lts-announce] 20220410 [SECURITY] [DLA 2975-1] openjpeg2 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- GLSA-202209-04 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://lists.debian.org/debian-lts-announce/2025/04/msg00002.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2021-29338)Record last updated .