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CVE-2026-92248— Gimp: integer overflow when generating a thumbnail preview for a psd file

Quick assessment

Affected
GNOME GIMP
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GIMP 中的 file-psd 插件存在一个缺陷。在为精心构造的 PSD（Photoshop Document）图像文件生成缩略图预览时，在解析内嵌 JPEG 头部中的数值进行乘法运算时发生整数溢出。这导致了堆分配内存不足，进而当图像数据被解码时引发基于堆的缓冲区溢出。该缓冲区溢出会破坏相邻的堆对象，从而实现受控的内存写入，可能导致应用程序崩溃或任意代码执行。

CVSS 7.8 · High EPSS 0.19% · P8

Affected Version Matrix 6

VendorProduct Version RangeStatus
GNOME GIMP any affected
Red Hat Red Hat Enterprise Linux 10 any affected
Red Hat Red Hat Enterprise Linux 6 any affected
Red Hat Red Hat Enterprise Linux 7 any affected
Red Hat Red Hat Enterprise Linux 8 8100020261015094823.4c9c024f< * unaffected
Red Hat Red Hat Enterprise Linux 9 2:3.0.4-4.el9_8.14< * unaffected
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I. Basic Information for CVE-2026-92248

Vulnerability Information
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Vulnerability Title
Gimp: integer overflow when generating a thumbnail preview for a psd file
Source: CVE Program / CVE List V5
Vulnerability Description
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
GNOME GIMP - -
Red Hat Red Hat Enterprise Linux 8 8100020261015094823.4c9c024f ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat Red Hat Enterprise Linux 9 2:3.0.4-4.el9_8.14 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7

II. Public POCs for CVE-2026-92248

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III. Intelligence Information for CVE-2026-92248

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Vendor Advisories for CVE-2026-92248 (4)

Other References for CVE-2026-92248 (1)

IV. Related Vulnerabilities

Same product: GIMP
Same vendor: GNOME
Same weakness: CWE-190