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CVE-2026-79902— Gimp: stack vla size underflow denial of service in seattle

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 Seattle FilmWorks 插件存在一个缺陷。在处理经过特殊构造的 SFW 图像文件时，该插件会在栈上分配一个可变长度数组（VLA），且未进行整数溢出检查，从而导致无界的栈分配。此问题会导致应用程序崩溃，进而引发服务拒绝（DoS）漏洞。

CVSS 5.5 · Medium

Possible ATT&CK Techniques 1 AI

T1027 · Obfuscated Files or Information

Affected Version Matrix 5

VendorProduct Version RangeStatus
GNOME GIMP 3.1.4< * affected
Red Hat Red Hat Enterprise Linux 6 any unaffected
Red Hat Red Hat Enterprise Linux 7 any unaffected
Red Hat Red Hat Enterprise Linux 8 any unaffected
Red Hat Red Hat Enterprise Linux 9 any unaffected
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I. Basic Information for CVE-2026-79902

Vulnerability Information
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Vulnerability Title
Gimp: stack vla size underflow denial of service in seattle
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the Seattle FilmWorks plugin in GIMP. When processing a specially crafted SFW image file, the plugin allocates a Variable-Length Array (VLA) on the stack without integer overflow checks, causing an unbounded stack allocation. This issue leads to an application crash, resulting in a denial of service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/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 3.1.4 ~ * -
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
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9

II. Public POCs for CVE-2026-79902

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III. Intelligence Information for CVE-2026-79902

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Vendor Pages for CVE-2026-79902 (1)

Other References for CVE-2026-79902 (1)

Same Patch Batch · GNOME · 2026-08-26 · 3 CVEs total

CVE-2026-77658 7.8 HIGH Dia: dia: stack buffer overflow in bus object via unvalidated handle count in project file
CVE-2026-77652 7.8 HIGH Dia: dia: heap buffer overflow in wpg colormap parser via out-of-bounds palette index

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-79902

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