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CVE-2025-6140— spdlog pattern_formatter-inl.h scoped_padder resource consumption

Quick assessment

Affected
n/a spdlog
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.

spdlog是Gabi Melman个人开发者的一个快速C++日志库。 spdlog 1.15.1及之前版本存在安全漏洞，该漏洞源于函数scoped_padder存在资源消耗问题。

CVSS 3.3 · Low EPSS 0.22% · P13

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2025-6140

Vulnerability Information
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Vulnerability Title
spdlog pattern_formatter-inl.h scoped_padder resource consumption
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as problematic, was found in spdlog up to 1.15.1. This affects the function scoped_padder in the library include/spdlog/pattern_formatter-inl.h. The manipulation leads to resource consumption. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. Upgrading to version 1.15.2 is able to address this issue. The identifier of the patch is 10320184df1eb4638e253a34b1eb44ce78954094. It is recommended to upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
spdlog 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
spdlog是Gabi Melman个人开发者的一个快速C++日志库。 spdlog 1.15.1及之前版本存在安全漏洞，该漏洞源于函数scoped_padder存在资源消耗问题。
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
- spdlog 1.15.0 -

II. Public POCs for CVE-2025-6140

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III. Intelligence Information for CVE-2025-6140

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Vendor Advisories for CVE-2025-6140 (1)

News Coverage for CVE-2025-6140 (1)

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-400

V. Comments for CVE-2025-6140

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