CVE-2025-6566

MEDIUM

oatpp Oat++ <1.3.1 - Buffer Overflow

Title source: llm
STIX 2.1

Description

A vulnerability was found in oatpp Oat++ up to 1.3.1. It has been declared as critical. This vulnerability affects the function deserializeArray of the file src/oatpp/json/Deserializer.cpp. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.313738
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.313738
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.597453
Exploit, Issue Tracking issue-tracking
https://github.com/oatpp/oatpp/issues/1037

Scores

CVSS v3 5.3
EPSS 0.0067
EPSS Percentile 47.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-119 CWE-121 CWE-787
Status published
Products (1)
oatpp/oat\+\+ < 1.3.1
Published Jun 24, 2025
Tracked Since Feb 18, 2026