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THREATINT
PUBLISHED

CVE-2025-6566

oatpp Oat++ Deserializer.cpp deserializeArray stack-based overflow



Description

EN DE

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.

In oatpp Oat++ bis 1.3.1 wurde eine Schwachstelle ausgemacht. Sie wurde als kritisch eingestuft. Dabei geht es um die Funktion deserializeArray der Datei src/oatpp/json/Deserializer.cpp. Durch das Manipulieren mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2025-06-24 | Published 2025-06-24 | Updated 2025-06-24 | Assigner VulDB


MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
MEDIUM: 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
5.0AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Problem types

Stack-based Buffer Overflow

Memory Corruption

Product status

1.3.0
affected

1.3.1
affected

Timeline

2025-06-24:Advisory disclosed
2025-06-24:VulDB entry created
2025-06-24:VulDB entry last update

Credits

JJLeo (VulDB User) reporter

References

vuldb.com/?id.313738 (VDB-313738 | oatpp Oat++ Deserializer.cpp deserializeArray stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.313738 (VDB-313738 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.597453 (Submit #597453 | oatpp oatpp 1.3.1 (commit c9765f9) Uncontrolled Recursion) third-party-advisory

github.com/oatpp/oatpp/issues/1037 issue-tracking

github.com/user-attachments/files/19579448/oatpp_crash.txt exploit

cve.org (CVE-2025-6566)

nvd.nist.gov (CVE-2025-6566)

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