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CVE-2026-58380— Gimp: gimp: stack buffer overflow in pnmscanner_gettoken()

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 8
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是GIMP组织开源的一款开源的位图图像编辑器。 GIMP存在数字错误漏洞，该漏洞源于PNM文件格式解析器的pnmscanner_gettoken()函数在循环边界检查中存在差一错误，导致将空终止符写入栈分配缓冲区末尾一个字节之外，可能造成内存损坏，从而导致拒绝服务或任意代码执行。以下版本受到影响：Red Hat Enterprise Linux 6、Red Hat Enterprise Linux 7、Red Hat Enterprise Linux 8和Red Hat Enterprise Li

CVSS 7.3 · High EPSS 0.32% · P23

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 5

VendorProduct Version RangeStatus
Red Hat Red Hat Enterprise Linux 6 any unknown
Red Hat Red Hat Enterprise Linux 7 any affected
Red Hat Red Hat Enterprise Linux 8 8100020260824165450.4c9c024f< * unaffected
Red Hat Red Hat Enterprise Linux 9 2:3.0.4-4.el9_8.7< * unaffected
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support 2:2.99.8-4.el9_6.20< * unaffected
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I. Basic Information for CVE-2026-58380

Vulnerability Information
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Vulnerability Title
Gimp: gimp: stack buffer overflow in pnmscanner_gettoken()
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in GIMP's PNM file format parser. When parsing a specially crafted PNM file, the pnmscanner_gettoken() function writes a null terminator one byte past the end of a stack-allocated buffer due to an off-by-one error in the loop boundary check. This could lead to memory corruption, potentially resulting in denial of service or arbitrary code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
Off-by-one错误
Source: CVE Program / CVE List V5
Vulnerability Title
GIMP 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GIMP是GIMP组织开源的一款开源的位图图像编辑器。 GIMP存在数字错误漏洞，该漏洞源于PNM文件格式解析器的pnmscanner_gettoken()函数在循环边界检查中存在差一错误，导致将空终止符写入栈分配缓冲区末尾一个字节之外，可能造成内存损坏，从而导致拒绝服务或任意代码执行。以下版本受到影响：Red Hat Enterprise Linux 6、Red Hat Enterprise Linux 7、Red Hat Enterprise Linux 8和Red Hat Enterprise Li
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Enterprise Linux 8 8100020260824165450.4c9c024f ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat Red Hat Enterprise Linux 9 2:3.0.4-4.el9_8.7 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support 2:2.99.8-4.el9_6.20 ~ * cpe:/a:redhat:rhel_eus:9.6::appstream
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-2026-58380

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III. Intelligence Information for CVE-2026-58380

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Patches & Fixes for CVE-2026-58380 (1)

Vendor Advisories for CVE-2026-58380 (5)

Other References for CVE-2026-58380 (1)

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 8
Same vendor: Red Hat
Same weakness: CWE-193

V. Comments for CVE-2026-58380

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