OpenSSL up to 3.5.3 FIPS out-of-bounds

Summaryinfo

A vulnerability, which was classified as critical, has been found in OpenSSL up to 3.5.3. Impacted is an unknown function of the component FIPS Module. Performing a manipulation results in out-of-bounds. This vulnerability is reported as CVE-2025-9230. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in OpenSSL up to 3.5.3. This affects an unknown functionality of the component FIPS Module. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Issue summary: An application trying to decrypt CMS messages encrypted using password based encryption can trigger an out-of-bounds read and write. Impact summary: This out-of-bounds read may trigger a crash which leads to Denial of Service for an application. The out-of-bounds write can cause a memory corruption which can have various consequences including a Denial of Service or Execution of attacker-supplied code. Although the consequences of a successful exploit of this vulnerability could be severe, the probability that the attacker would be able to perform it is low. Besides, password based (PWRI) encryption support in CMS messages is very rarely used. For that reason the issue was assessed as Moderate severity according to our Security Policy. The FIPS modules in 3.5, 3.4, 3.3, 3.2, 3.1 and 3.0 are not affected by this issue, as the CMS implementation is outside the OpenSSL FIPS module boundary.

The advisory is shared at openssl-library.org. This vulnerability is uniquely identified as CVE-2025-9230 since 08/20/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/24/2026).

The vulnerability scanner Nessus provides a plugin with the ID 266318 (OpenSSL 1.0.2 < 1.0.2zm Vulnerability), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.0.2zm, 1.1.1zd, 3.0.18, 3.2.6, 3.3.5, 3.4.3 or 3.5.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (266318), EUVD (EUVD-2025-31729) and CERT Bund (WID-SEC-2025-2166). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

• IBM VIOS
• IBM AIX
• Debian Linux
• Amazon Linux 2
• FreeBSD Project FreeBSD OS
• Red Hat Enterprise Linux
• Fedora Linux
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• SUSE openSUSE
• RESF Rocky Linux
• IBM App Connect Enterprise
• IBM MQ
• F5 BIG-IP
• IGEL OS
• Open Source OpenSSL
• Open Source LibreSSL
• Dell Secure Connect Gateway
• IBM DevOps Code ClearCase
• Meinberg LANTIME
• Splunk Splunk Enterprise
• SolarWinds Platform

Productinfo

Type

• Network Encryption Software

Name

• OpenSSL

Version

• 1.0.2za
• 1.0.2zb
• 1.0.2zc
• 1.0.2zd
• 1.0.2ze
• 1.0.2zf
• 1.0.2zg
• 1.0.2zh
• 1.0.2zi
• 1.0.2zj
• 1.0.2zk
• 1.0.2zl
• 1.1.1za
• 1.1.1zb
• 1.1.1zc
• 3.0.0
• 3.0.1
• 3.0.2
• 3.0.3
• 3.0.4
• 3.0.5
• 3.0.6
• 3.0.7
• 3.0.8
• 3.0.9
• 3.0.10
• 3.0.11
• 3.0.12
• 3.0.13
• 3.0.14
• 3.0.15
• 3.0.16
• 3.0.17
• 3.2.0
• 3.2.1
• 3.2.2
• 3.2.3
• 3.2.4
• 3.2.5
• 3.3.0
• 3.3.1
• 3.3.2
• 3.3.3
• 3.3.4
• 3.4.0
• 3.4.1
• 3.4.2
• 3.5.0
• 3.5.1
• 3.5.2
• 3.5.3

License

• open-source

Website

• Product: https://www.openssl.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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