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CVE-2025-9165— LibTIFF tiffcmp tiffcmp.c InitCCITTFax3 memory leak

Quick assessment

Affected
n/a LibTIFF
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.

LibTIFF是LibTIFF开源的一个读写TIFF（标签图像文件格式）文件的库。该库包含一些处理TIFF文件的命令行工具。 LibTIFF 4.7.0版本存在安全漏洞，该漏洞源于组件tiffcmp中文件tiffcmp.c存在内存泄漏。

CVSS 2.5 · Low EPSS 0.22% · P11

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-9165

Vulnerability Information
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Vulnerability Title
LibTIFF tiffcmp tiffcmp.c InitCCITTFax3 memory leak
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in LibTIFF 4.7.0. This affects the function _TIFFmallocExt/_TIFFCheckRealloc/TIFFHashSetNew/InitCCITTFax3 of the file tools/tiffcmp.c of the component tiffcmp. Executing manipulation can lead to memory leak. The attack is restricted to local execution. This attack is characterized by high complexity. It is indicated that the exploitability is difficult. The exploit has been published and may be used. There is ongoing doubt regarding the real existence of this vulnerability. This patch is called ed141286a37f6e5ddafb5069347ff5d587e7a4e0. It is best practice to apply a patch to resolve this issue. A researcher disputes the security impact of this issue, because "this is a memory leak on a command line tool that is about to exit anyway". In the reply the project maintainer declares this issue as "a simple 'bug' when leaving the command line tool and (...) not a security issue at all".
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在移除最后引用时对内存的释放不恰当(内存泄露)
Source: CVE Program / CVE List V5
Vulnerability Title
LibTIFF 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LibTIFF是LibTIFF开源的一个读写TIFF（标签图像文件格式）文件的库。该库包含一些处理TIFF文件的命令行工具。 LibTIFF 4.7.0版本存在安全漏洞，该漏洞源于组件tiffcmp中文件tiffcmp.c存在内存泄漏。
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
- LibTIFF 4.7.0 -

II. Public POCs for CVE-2025-9165

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III. Intelligence Information for CVE-2025-9165

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Vendor Advisories for CVE-2025-9165 (1)

Other References for CVE-2025-9165 (1)

Same Patch Batch · n/a · 2025-08-19 · 32 CVEs total

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Showing top 20 of 32 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: LibTIFF
Same vendor: n/a
Same weakness: CWE-401

V. Comments for CVE-2025-9165

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