An out-of-bounds heap write flaw was found in GIMP's PVR image loader. When loading a crafted non-square PVR texture, pvr_decode_twiddle() can write attacker-controlled pixel data beyond the end of a correctly allocated heap buffer because the destination offset is not bounds-checked. A local attacker can exploit this by convincing a user to open a malicious PVR image, potentially causing arbitrary code execution in the file-pvr plug-in process.
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Thu, 24 Sep 2026 00:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | An out-of-bounds heap write flaw was found in GIMP's PVR image loader. When loading a crafted non-square PVR texture, pvr_decode_twiddle() can write attacker-controlled pixel data beyond the end of a correctly allocated heap buffer because the destination offset is not bounds-checked. A local attacker can exploit this by convincing a user to open a malicious PVR image, potentially causing arbitrary code execution in the file-pvr plug-in process. | |
| Title | gimp: gimp: out-of-bounds heap write when loading non-square PVR images | |
| Weaknesses | CWE-787 | |
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threat_severity
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cvssV3_1
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