How severe is CVE-2025-6140?

CVE-2025-6140 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-6140 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-6140?

CVE-2025-6140 affects Gabime Spdlog. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-6140?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-6140 have an EU (EUVD) identifier?

Yes. CVE-2025-6140 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18431.

When was CVE-2025-6140 published?

CVE-2025-6140 was published on 2025-06-16 and last updated on 2026-06-17.

CVE-2025-6140

CVE-2025-6140 is a low-severity vulnerability in Gabime Spdlog with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 1.9
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18431
Weakness: CWE-400
Affected product: Gabime Spdlog
Published: 2025-06-16
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-6140?: 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.
How severe is CVE-2025-6140?: CVE-2025-6140 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-6140 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-6140?: CVE-2025-6140 affects Gabime Spdlog. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-6140?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-6140 have an EU (EUVD) identifier?: Yes. CVE-2025-6140 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18431.
When was CVE-2025-6140 published?: CVE-2025-6140 was published on 2025-06-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gabime:spdlog:*:*:*:*:*:*:*:*

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