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VULNERABILITY BRIEF 🟠 High Vulnerability

Critical Remote Code Execution in GIMP XWD Parser (CVE-2026-2045) Threatens Image Processing Workflows

A high‑severity out‑of‑bounds write bug in GIMP's XWD file handling (CVE-2026-2045) allows attackers to execute arbitrary code when a malicious image is opened. The flaw affects all unpatched GIMP installations, posing a supply‑chain risk for organizations that rely on the open‑source editor for graphics work. Prompt patching and file‑type controls are essential for third‑party risk mitigation.

Verisq™ Intelligence · 📅 March 06, 2026 · 📰 zerodayinitiative.com
🟠
Severity
High
VU
Type
Vulnerability
🎯
Confidence
High
🏢
Affected
3 sector(s)
✅
Actions
5 recommended
📰
Source
zerodayinitiative.com

LiveThreat Vulnerability Brief — CVE-2026-2045

What It Is — GIMP (GNU Image Manipulation Program) contains an out‑of‑bounds write flaw in its XWD file parser that can be triggered by a crafted XWD image. The vulnerability permits remote code execution (RCE) when a victim opens or previews a malicious file, earning a CVSS 7.8 (High) score. Exploitability — No public exploit code has been released, but the advisory confirms a working proof‑of‑concept and that the vulnerability is exploitable with minimal user interaction.

Affected Products — GIMP (all versions prior to the February 2026 security patch).

TPRM Impact — GIMP is widely deployed across design agencies, marketing departments, and internal documentation pipelines. A compromised GIMP installation can serve as a foothold for attackers to move laterally within an organization’s network, potentially exposing downstream suppliers and partners that rely on shared image assets.

Recommended Actions —

  1. Deploy the GIMP update released on 2026‑02‑19 (commit 68b27dfb…).
  2. Block or sandbox XWD files on email gateways and web gateways pending remediation.
  3. Conduct a rapid inventory of all endpoints running GIMP and verify patch status.
  4. Monitor process creation logs for unexpected GIMP executions or child processes.
  5. Communicate the risk to third‑party vendors that exchange image assets with your organization.

Source: Zero Day Initiative Advisory ZDI‑26‑119

📰 Original Source
http://www.zerodayinitiative.com/advisories/ZDI-26-119/ ↗

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

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