Read the docs
TI-2023-20468 Aliases CVE-2023-39327GHSA-f7p4-6cq7-whmw

Openjpeg: malicious files can cause the program to enter a large loop

Priority LOW 21CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
Partial Red Hat: 1 fixed, 4 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-400.

Summary

A flaw was found in OpenJPEG. Maliciously constructed pictures can cause the program to enter a large loop and continuously print warning messages on the terminal.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00555 46th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 1 fixed, 4 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—openjpeg2.5.0—No fix listedCNA
Red HatRed Hat AI Inference Server 3.2—1772713830Patch availableCNA
Red HatRed Hat Enterprise Linux 6——No fix listedCNA
Red HatRed Hat Enterprise Linux 7——No fix listedCNA
Red HatRed Hat Enterprise Linux 7——No fix listedCNA
Red HatRed Hat Enterprise Linux 8——No fix listedCNA
Red HatRed Hat Enterprise Linux 8——No fix listedCNA
Red HatRed Hat Enterprise Linux 8——No fix listedCNA
Red HatRed Hat Enterprise Linux 8——No fix listedCNA
Red HatRed Hat Enterprise Linux 9——No fix listedCNA
  • openjpeg Vendor— Affected 2.5.0 Fixed in — No fix listed CNA
  • Red Hat AI Inference Server 3.2 VendorRed Hat Affected — Fixed in 1772713830 Patch available CNA
  • Red Hat Enterprise Linux 6 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Enterprise Linux 7 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Enterprise Linux 7 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in — No fix listed CNA
  • Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:uclouvain:openjpeg:-:*:*:*:*:*:*:*not specified by NVDVulnerableThe OpenJPEG Project
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*6.0Running onRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*7.0Running onRed Hat
cpe:2.3:a:uclouvain:openjpeg:2.0:*:*:*:*:*:*:*2.0VulnerableThe OpenJPEG Project
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*8.0Running onRed Hat
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*9.0Running onRed Hat
cpe:2.3:a:uclouvain:openjpeg:2.5.0:*:*:*:*:*:*:*2.5.0VulnerableThe OpenJPEG Project
  • cpe:2.3:a:uclouvain:openjpeg:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·The OpenJPEG Project
  • cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Running on ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Running on ·Red Hat
  • cpe:2.3:a:uclouvain:openjpeg:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·The OpenJPEG Project
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Running on ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Running on ·Red Hat
  • cpe:2.3:a:uclouvain:openjpeg:2.5.0:*:*:*:*:*:*:* Versions 2.5.0 Vulnerable ·The OpenJPEG Project

Remediation

Red Hat 1 advisory

  • RHSA-2026:4128 Released 2026-03-09 · Red Hat rating Important
    Red Hat AI Inference Server Model Optimization Tools 3.2.2 (CUDA)
    • Red Hat AI Inference Server 3.2 registry.redhat.io/rhaiis/model-opt-cuda-rhel9

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Red Hat AI Inference Server 3.2, Red Hat Enterprise Linux 6 and 3 more products — RHSA-2026:4128

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2023-20470 Openjpeg: resource exhaustion will occur in the opj_t1_decode_cblks function in the tcd.cPriority LOW 30

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 8AffectedNo fix yet
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred
Red Hat AI Inference Server 3.2Fixed RHSA-2026:4128

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-39327
  2. 2026-10-03 Alias added: GHSA-f7p4-6cq7-whmw

References

  • TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
See all 7413 →

Sources