PT-2025-26735 · Oatpp · Oatpp

Jjleo · Published 2025-06-24 · Updated 2025-08-18 · CVE-2025-6566

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: oatpp Oat++ versions up to 1.3.1

Description: A critical vulnerability has been found, affecting the deserializeArray function in the file src/oatpp/json/Deserializer.cpp. This issue leads to a stack-based buffer overflow and can be initiated remotely.

Recommendations: For versions up to 1.3.1, consider disabling the deserializeArray function as a temporary workaround until a patch is available. Restrict access to the src/oatpp/json/Deserializer.cpp file to minimize the risk of exploitation.

Exploit

Fix

Memory Corruption

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-787

CWE-121

CWE-119

Related Identifiers

CVE-2025-6566

Affected Products

Oatpp

References · 11

• 🔥 https://github.com/oatpp/oatpp/issues/1037 · Exploit
• 🔥❌ https://github.com/user-attachments/files/19579448/oatpp_crash.txt · Exploit, Deleted
• https://nvd.nist.gov/vuln/detail/CVE-2025-6566 · Security Note
• https://osv.dev/vulnerability/CVE-2025-6566 · Vendor Advisory
• https://reddit.com/r/CyberDudeBivash/comments/1mtntya/daily_cve_roundup_august_18_2025_by · Reddit Post
• https://twitter.com/CVEnew/status/1937498913075835227 · Twitter Post
• https://vuldb.com/?ctiid.313738 · Note
• https://vuldb.com/?id.313738 · Note
• https://t.me/cvetracker/26939 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1937511681510244550 · Twitter Post
• https://vuldb.com/?submit.597453 · Note