CVE-2026-109278 ImageMagick CVE debrief

Who should care

Defenders responsible for ImageMagick installations, particularly those using versions before 6.9.13-57 and 7.x before 7.1.2-32, should assess exposure and prioritize patching or mitigation.

Why it matters

CVE-2026-109278 is a memory leak vulnerability in ImageMagick's wavelet-denoise operation. Defenders should prioritize patching or mitigating this issue to prevent potential service degradation. This vulnerability allows attackers to repeatedly trigger wavelet-denoise processing under resource-constrained conditions, leading to memory leaks and potential service impact. Affected roles include defenders responsible for ImageMagick installations, particularly those using vulnerable versions. The evidence from official sources supports the existence of this vulnerability and the need for prompt action.

• Service degradation through memory leaks under resource-constrained conditions.
• Potential for attackers to exploit this vulnerability to impact service availability.

Technical summary

ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 contains a memory leak in the wavelet-denoise operation. This issue allows attackers to degrade service availability by repeatedly triggering wavelet-denoise processing under resource-constrained conditions. The vulnerability affects ImageMagick installations, particularly those using versions before 6.9.13-57 and 7.x before 7.1.2-32. Defenders should prioritize patching or mitigating this vulnerability to prevent potential service degradation through memory leaks.

Defensive priority

Defenders should prioritize patching or mitigating this vulnerability to prevent potential service degradation through memory leaks.

Recommended defensive actions

• Patch ImageMagick to version 6.9.13-57 or later and 7.x to version 7.1.2-32 or later.
• Implement resource constraints to prevent repeated triggering of wavelet-denoise processing.
• Monitor service availability and memory usage for signs of degradation.
• 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.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record and source item provide details on the memory leak vulnerability in ImageMagick's wavelet-denoise operation. Official sources include the CVE Program record and NIST NVD detail page. The evidence from these sources supports the existence of this vulnerability and the need for prompt action. Defenders should verify the affected scope, severity, and vendor guidance to assess exposure and prioritize patching or mitigation.

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.