spdlog up to 1.15.1 pattern_formatter-inl.h scoped_padder resource consumption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in spdlog up to 1.15.1 and classified as problematic. Affected by this vulnerability is the function scoped_padder in the library include/spdlog/pattern_formatter-inl.h. Performing a manipulation results in resource consumption. This vulnerability is cataloged as CVE-2025-6140. The attack must be initiated from a local position. Furthermore, there is an exploit available. The affected component should be upgraded.

Detailsinfo

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 with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2025-6140. The exploitability is told to be easy. An attack has to be approached locally. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 240225 (Fedora 41 : spdlog (2025-7d5c7fe0c7)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.15.2 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 10320184df1eb4638e253a34b1eb44ce78954094 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (240225). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.1

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 3.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 240225
Nessus Name: Fedora 41 : spdlog (2025-7d5c7fe0c7)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: spdlog 1.15.2
Patch: 10320184df1eb4638e253a34b1eb44ce78954094

Timelineinfo

06/15/2025 Advisory disclosed
06/15/2025 +0 days VulDB entry created
07/03/2025 +18 days VulDB entry last update

Sourcesinfo

Advisory: 3360
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2025-6140 (🔒)
GCVE (CVE): GCVE-0-2025-6140
GCVE (VulDB): GCVE-100-312609
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/15/2025 13:02
Updated: 07/03/2025 06:35
Changes: 06/15/2025 13:02 (61), 06/17/2025 11:41 (30), 06/21/2025 17:35 (2), 07/03/2025 06:35 (1)
Complete: 🔍
Submitter: JJLeo
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #592999: spdlog spdlog 1.15.1 (commit 3335c38) Uncontrolled Memory Allocation (by JJLeo)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!