CVE-2025-6140

spdlog pattern_formatter-inl.h scoped_padder resource consumption

State: Published
Severity: 4.8 Medium
Published: Jun 16, 2025
Updated: Jun 17, 2025
Reserved: Jun 15, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	4.8 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	3.3 Low	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C	VulDB
3.0	3.3 Low	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C	VulDB
2.0	1.7 Low	AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-400 Resource Consumption
CWE-404 Denial of Service

Affected Products

Product	Versions
spdlogn/a	1.15.0Affected 1.15.1Affected 1.15.2Not affected

References

VDB-312609 | spdlog pattern_formatter-inl.h scoped_padder resource consumptionvdb-entrytechnical-description
VDB-312609 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
Submit #592999 | spdlog spdlog 1.15.1 (commit 3335c38) Uncontrolled Memory Allocationthird-party-advisory
https://github.com/gabime/spdlog/issues/3360exploitissue-tracking
https://github.com/gabime/spdlog/issues/3360#issuecomment-2729579422issue-tracking
https://github.com/gabime/spdlog/commit/10320184df1eb4638e253a34b1eb44ce78954094patch
https://github.com/gabime/spdlog/releases/tag/v1.15.2patch

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