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CVE-2026-92248

Gimp: integer overflow when generating a thumbnail preview for a psd file

CVSS 3.1 7.8 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-92248

Published

A flaw was found in the file-psd plugin in GIMP. When generating a thumbnail preview for a specially crafted PSD (Photoshop Document) image file, an integer overflow occurs during the multiplication of values from an embedded JPEG header. This leads to an undersized heap allocation, resulting in a heap-based buffer overflow when the image data is decoded. This buffer overflow corrupts adjacent heap objects, allowing for a controlled memory write that can result in an application crash or arbitrary code execution.

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Affected versions, risk and source history

Exploitation and risk

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cve-program · CVE-2026-92248

Published

Gimp: integer overflow when generating a thumbnail preview for a psd file

A flaw was found in the file-psd plugin in GIMP. When generating a thumbnail preview for a specially crafted PSD (Photoshop Document) image file, an integer overflow occurs during the multiplication of values from an embedded JPEG header. This leads to an undersized heap allocation, resulting in a heap-based buffer overflow when the image data is decoded. This buffer overflow corrupts adjacent heap objects, allowing for a controlled memory write that can result in an application crash or arbitrary code execution.

Source published
15 Sep 2026 22:10:07 UTC
Source modified
11 Nov 2026 13:03:48 UTC
Saved here
11 Nov 2026 14:57:26 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

ChangeIntel

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Sources read 15 Nov 13:16 UTC · 255 of 275 readable · 250 fully read · documentation 469/469 current

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