Buffer overflow in Red Hat Single Sign-On 7.6



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-52999
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Red Hat Single Sign-On
Server applications / Directory software, identity management

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU112106

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-52999

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when parsing deeply nested JSON files. A remote attacker can pass a specially crafted JSON file to the application, trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Single Sign-On: before 7.6.12

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2025:15717


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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