Security readout for executives and security teams
Plain-English summary
CVE-2023-39328 is a denial-of-service flaw in OpenJPEG. A malicious image file can bypass prior protections and crash an application that processes it. This is mainly an availability risk, not a known data theft or code execution issue. User interaction or file processing is required.
Executive priority
Treat as a moderate operational risk. Prioritize environments that automatically process outside files or support user-uploaded images. This is less urgent than remote code execution, but outages in image, document, or graphics workflows are plausible if vulnerable components remain exposed.
Technical view
The issue affects OpenJPEG, including OpenJPEG 2.5.0 and Red Hat openjpeg2 packages listed for RHEL 8 and 9. It is classified as CWE-400, with CVSS 3.1 score 5.5, AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. The flaw is similar to CVE-2019-6988 and triggers an application crash via crafted image input.
Likely exposure
Exposure is most likely where OpenJPEG or dependent applications process untrusted JPEG 2000 images, such as desktop graphics tools, document viewers, office workflows, or server-side image pipelines. Red Hat lists several RHEL 8 Flatpak components and openjpeg2 on RHEL 8 and 9 as affected.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not marked KEV. Exploitation requires a maliciously crafted file to be opened or processed. The expected impact is application crash or service disruption, not confidentiality or integrity compromise based on the cited CVSS vector.
Researcher notes
Evidence is limited to public CVE, Red Hat, Bugzilla, and upstream GitHub references. The bundle identifies affected packages but does not provide a definitive fixed version. Avoid assuming exploit availability or patch status beyond vendor sources. Related upstream pull requests may clarify remediation details.
Mitigation direction
- Inventory systems and applications using OpenJPEG or openjpeg2.
- Prioritize systems that process externally supplied image files.
- Check Red Hat and OpenJPEG guidance for fixed package availability.
- Apply vendor-provided updates when available.
- Limit or sandbox processing of untrusted image files where feasible.
Validation and detection
- Identify installed OpenJPEG or openjpeg2 package versions.
- Check whether affected Red Hat products match the listed package exposure.
- Review application dependencies for bundled OpenJPEG libraries.
- Confirm vendor advisories or package metadata after remediation.
- Monitor crash reports involving JPEG 2000 file handling.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-400: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-39328 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H1.83.6redhatVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- Source timelineredhat
Reported to Red Hat.
- Source timelineredhat
Made public.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://access.redhat.com/security/cve/CVE-2023-39328CVE reference, redhat · vdb-entry, x_refsource_REDHAT
- RHBZ#2219236CVE reference, redhat · issue-tracking, x_refsource_REDHAT
- https://github.com/uclouvain/openjpeg/issues/1476CVE reference, redhat
- https://github.com/uclouvain/openjpeg/pull/1470CVE reference, redhat
- https://github.com/uclouvain/openjpeg/pull/1471CVE reference, redhat
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.