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CVE-2026-106065— Gimp: gimp: heap buffer overflow in pcx export on oversized image dimensions

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 10
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.

在 GIMP 的 PCX 导出插件中发现了一个基于堆的缓冲区溢出漏洞。对于具有极大宽度和高度的图像，缓冲区分配在使用 32 位宽度和高度的算术运算时会发生溢出，而后续的 GEGL 操作则使用完整的尺寸信息，导致在尺寸计算中发生整数溢出。

CVSS 6.3 · Medium

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-106065

Vulnerability Information
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Vulnerability Title
Gimp: gimp: heap buffer overflow in pcx export on oversized image dimensions
Source: CVE Program / CVE List V5
Vulnerability Description
A heap-based buffer overflow was found in GIMP’s PCX export plug-in. For images with extremely large width and height, buffer allocation uses overflowing 32-bit width * height arithmetic while subsequent GEGL operations use the full extent, after integer overflow in size calculation
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
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
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-2026-106065

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III. Intelligence Information for CVE-2026-106065

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Other References for CVE-2026-106065 (2)

Same Patch Batch · Red Hat · 2026-10-07 · 18 CVEs total

CVE-2026-106471 8.1 HIGH Candlepin: candlepin: broken object-level authorization via verifyauthorizationfilter mult
CVE-2026-107161 7.5 HIGH Cyrus-sasl: heap buffer overflow in cyrus-sasl add_to_challenge() allows malicious server
CVE-2026-107176 6.8 MEDIUM Cluster-samples-operator: role reads all secrets in openshift-config, not just pull-secret
CVE-2026-107121 6.5 MEDIUM Keycloak-services: keycloak-services: smtp starttls plaintext credential and message downg
CVE-2026-103869 6.5 MEDIUM Pulp-ansible: bearer tokens are reused across remotes in a worker
CVE-2026-103868 6.5 MEDIUM Pulp-container: registry credentials are reused across remotes in a worker
CVE-2026-107174 6.4 MEDIUM Source-to-image: source-to-image: security boundary bypass via absolute symbolic link extr
CVE-2026-106067 6.3 MEDIUM Gimp: gimp: heap buffer overflow in hot color filter on oversized image
CVE-2026-106066 6.3 MEDIUM Gimp: gimp: heap buffer overflow in raw data export on oversized image dimensions
CVE-2026-106064 6.3 MEDIUM Gimp: gimp: heap buffer overflow in gif export on oversized image dimensions
CVE-2026-107169 6.2 MEDIUM M17n-lib: null-pointer write in read_mtext_element() on malformed utf-8
CVE-2026-107167 6.2 MEDIUM M17n-lib: heap use-after-free write in re_init_ic()
CVE-2026-107168 6.2 MEDIUM M17n-lib: parser infinite loop on malformed utf-8 in count_utf_8_chars()
CVE-2026-107151 5.9 MEDIUM Rubygem-smart_proxy_dynflow: task update and done callbacks accept unauthenticated request
CVE-2026-106061 5.5 MEDIUM Gimp: gimp: heap buffer over-read in x cursor (xmc) thumbnail loader on crafted file
CVE-2026-103870 5.0 MEDIUM Pulp-rpm: distribution tree publish creates directories from .treeinfo ids
CVE-2026-107170 2.9 LOW M17n-lib: null dereference in minput_open_im() after failed m17n_init()

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-119

V. Comments for CVE-2026-106065

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