CVE-2025-6140

low-risk

Published 2025-06-16

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.

Do I need to act?

0.13% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 3.3/10 Low

LOCAL / LOW complexity

Affected Products (1)

Spdlog

Affected Vendors

Gabime

References (8)

Patch https://github.com/gabime/spdlog/commit/10320184df1eb4638e253a34b1eb44ce78954094

Exploit https://github.com/gabime/spdlog/issues/3360

Exploit https://github.com/gabime/spdlog/issues/3360#issuecomment-2729579422

Release Notes https://github.com/gabime/spdlog/releases/tag/v1.15.2

Permissions Required https://vuldb.com/?ctiid.312609

Third Party Advisory https://vuldb.com/?id.312609

Third Party Advisory https://vuldb.com/?submit.592999

Exploit https://github.com/gabime/spdlog/issues/3360

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low-risk

Severity 13/34 · Low

Exploitability 1/34 · Minimal

Exposure 5/34 · Minimal