CVE-2026-40919 Red Hat CVE debrief

Who should care

GIMP users and administrators, particularly those handling Seattle Filmworks files or concerned with potential DoS incidents, should assess exposure and take necessary precautions to mitigate this vulnerability. This includes applying patches or updates, monitoring for anomalies, and reviewing compensating controls for exposed systems.

Why it matters

CVE-2026-40919 is a medium-severity vulnerability in GIMP's `file-seattle-filmworks` plugin. While exploitation requires user interaction, successful attacks could lead to denial of service (DoS) incidents, impacting GIMP's stability. GIMP users and administrators should assess exposure, apply patches or updates, and monitor for anomalies.

• Potential denial of service (DoS) impacting GIMP application stability
• Verification of GIMP patching and update processes
• Monitoring for anomalous GIMP behavior or crashes

Technical summary

The `file-seattle-filmworks` plugin in GIMP is vulnerable to a buffer overflow when processing specially crafted Seattle Filmworks files. This can lead to a denial of service (DoS), causing the plugin to crash and potentially impacting GIMP's stability. The vulnerability has a CVSS score of 6.1 and a medium severity rating. GIMP users and administrators should take necessary precautions to mitigate this vulnerability, including assessing exposure and applying patches or updates as needed. Successful exploitation requires user interaction, but could lead to DoS incidents.

Defensive priority

Medium priority for GIMP users and administrators

Recommended defensive actions

• Assess exposure: Review GIMP installations and user interactions with Seattle Filmworks files
• Apply patches or updates: Follow GIMP's patch release process for this vulnerability
• Monitor for anomalies: Track GIMP application stability and potential DoS incidents
• 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 NVD entry provide details on the buffer overflow vulnerability in GIMP's `file-seattle-filmworks` plugin. The vulnerability can be exploited through a specially crafted Seattle Filmworks file, potentially leading to a denial of service (DoS). Evidence is limited to CVE and NVD information; further verification is recommended.

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.