CVE-2026-107080 OpenJPEG CVE debrief

Who should care

Defenders responsible for systems using OpenJPEG should assess exposure and prioritize verification and potential updates. This includes operators, security teams, and vulnerability management teams. Defenders should review the CVE record and source item for more information and plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Why it matters

CVE-2026-107080 is a vulnerability in OpenJPEG that allows denial of service attacks. Defenders should verify and update OpenJPEG, assess exposure, and monitor for potential attacks.

• Denial of service attacks may be possible
• Verification of OpenJPEG versions and updates is necessary
• Exposure assessment is required for environments using OpenJPEG

Technical summary

The vulnerability is caused by an out-of-bounds read and write in opj_dwt_encode_and_deinterleave_v() in src/lib/openjp2/dwt.c of OpenJPEG 2.4.0 through 2.5.4, and git master through commit 8314119b. This allows an attacker to cause a denial of service. The vulnerability affects OpenJPEG, a library used for image processing. Defenders should prioritize verifying and updating OpenJPEG to a secure version, if available, and assess exposure in their environments. The vulnerability has been publicly disclosed and defenders should review the CVE record and source item for more information.

Defensive priority

Defenders should prioritize verifying and updating OpenJPEG to a secure version, if available, and assess exposure in their environments.

Recommended defensive actions

• Verify OpenJPEG version and assess exposure in environments using OpenJPEG
• Review CVE record and source item for more information
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Monitor for potential denial of service attacks

Evidence notes

The CVE record and source item provide details about the vulnerability in OpenJPEG. However, the exact versions affected and the availability of patches are not specified. Defenders should verify OpenJPEG versions and assess exposure in their environments. The vulnerability is caused by an out-of-bounds read and write in opj_dwt_encode_and_deinterleave_v() in src/lib/openjp2/dwt.c of OpenJPEG 2.4.0 through 2.5.4, and git master through commit 8314119b. The CVE Program record and NVD detail page provide additional information about the

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.