CVE-2023-39328 — A vulnerability was found in OpenJPEG similar to CVE-2019-6988

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
?	?	2.5.0
Red Hat	Red Hat Enterprise Linux 6	unspecified
Red Hat	Red Hat Enterprise Linux 7	unspecified
Red Hat	Red Hat Enterprise Linux 7	unspecified
Red Hat	Red Hat Enterprise Linux 8	unspecified
Red Hat	Red Hat Enterprise Linux 8	unspecified
Red Hat	Red Hat Enterprise Linux 8	unspecified
Red Hat	Red Hat Enterprise Linux 8	unspecified
Red Hat	Red Hat Enterprise Linux 9	unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

08Timeline

• Published: 2024-07-09T13:53:07.111Z
• Last modified: 2025-11-20T19:52:57.131Z

09References

• access.redhat.com — https://access.redhat.com/security/cve/CVE-2023-39328
• bugzilla.redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=2219236