EUVD-2026-63453
GHSA-2pp7-5fqx-5xcq
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitation requires local file open by the victim (AV:L, UI:R); no attacker privileges needed (PR:N); full user-context impact (C:H/I:H/A:H); scope does not change (S:U).
Primary rating from Vendor (zdi).
CVSS VectorVendor: zdi
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
GIMP TIF File Parsing Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of TIF files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29403.
AnalysisAI
Remote code execution via maliciously crafted TIF files affects GIMP 3.2.2, allowing an attacker to execute arbitrary code in the context of the running GIMP process with full user-level privileges. The root cause is a CWE-190 integer overflow in the TIFF file parser where attacker-supplied image metadata bypasses size validation before a heap allocation, enabling memory corruption and code execution. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The target system must have GIMP 3.2.2 installed, and the victim must explicitly open a malicious TIF/TIFF file within GIMP - this user interaction (UI:R in the CVSS vector) is the primary gating condition. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.0 score of 7.8 (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) accurately reflects both the attack delivery mechanism and the impact ceiling: exploitation requires a victim to open a malicious TIFF file locally in GIMP, placing the effective attack vector at the file-open boundary rather than a network socket. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker crafts a malicious TIFF file embedding dimension or strip-count metadata engineered to trigger an integer overflow during GIMP's buffer-size computation, then delivers it via phishing email, a compromised file-sharing link, or a drive-by download page. The victim, running GIMP 3.2.2, opens the file - either directly or after downloading it - causing the TIF parser to allocate an undersized heap buffer and subsequently overflow it with attacker-controlled pixel data. … |
| Remediation | A patch has been committed to the GNOME GIMP repository at https://gitlab.gnome.org/GNOME/gimp/-/commit/ad32d22c347674fa1bb5b60935c376b673d946e7, but a formally tagged and released patched version number has not been independently confirmed from the available data - the upstream commit exists and should be treated as the authoritative fix reference. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all GIMP 3.2.2 installations across your environment and restrict access to TIFF file sources-disable external file sharing and disable the TIFF plugin in GIMP if image format support permits. …
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Same weakness CWE-190 – Integer Overflow or Wraparound
View allSame technique Integer Overflow
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External POC / Exploit Code
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