Home › Intelligence › Brief
VULNERABILITY BRIEF 🟠 High Vulnerability

Remote Code Execution via GIMP ANI File Parsing (CVE-2026-4151) Threatens Design Workflows

A critical integer‑overflow bug in GIMP’s ANI file parser (CVE‑2026‑4151) allows remote code execution when a crafted file is opened. The flaw impacts all unpatched GIMP installations and poses a supply‑chain risk for design‑heavy enterprises and SaaS image‑processing providers.

Verisq™ Intelligence · 📅 March 20, 2026 · 📰 zerodayinitiative.com
🟠
Severity
High
VU
Type
Vulnerability
🎯
Confidence
High
🏢
Affected
2 sector(s)
✅
Actions
5 recommended
📰
Source
zerodayinitiative.com

Remote Code Execution via GIMP ANI File Parsing (CVE‑2026‑4151) Threatens Design Workflows

What It Is – A newly disclosed integer‑overflow flaw in GIMP’s handling of Windows ANI animation files allows an attacker to execute arbitrary code on a victim’s machine. The vulnerability (CVE‑2026‑4151) scores 7.8 CVSS and requires the user to open or view a crafted ANI file.

Exploitability – No public exploit code is known, but the vulnerability is trivially exploitable once a malicious file is opened. The CVSS vector (AV:L/AC:L/PR:N/UI:R) reflects the need for user interaction but low technical complexity.

Affected Products – GIMP (all versions prior to the March 2026 security update).

TPRM Impact – Organizations that embed GIMP in design pipelines, content‑creation SaaS, or provide image‑processing services to third‑party clients face a supply‑chain risk: a compromised workstation can be used to inject malware into downstream deliverables or exfiltrate proprietary assets.

Recommended Actions –

  1. Deploy the GIMP patch released on 2026‑03‑19 (commit 09e5459).
  2. Block or sandbox ANI files on corporate endpoints.
  3. Conduct a rapid inventory of all workstations running GIMP and verify version compliance.
  4. Update security awareness training to flag unexpected image files, especially from untrusted sources.
  5. Monitor process creation events for unexpected GIMP executions and enable EDR alerts on anomalous behavior.

Source: Zero Day Initiative advisory ZDI‑26‑218

📰 Original Source
http://www.zerodayinitiative.com/advisories/ZDI-26-218/ ↗

This Verisq Intelligence Brief is an independent analysis. Read the original reporting at the link above.

Vulnerability exposure

Is this CVE in your supply chain?

Verisq matches published vulnerabilities against the software your vendors run, so you know which relationships this touches before the next review.

See vendor exposure →