CVE-2025-53603: Null Dereference (CVSS 7.5)

Description

In Alinto SOPE SOGo 2.0.2 through 5.12.2, sope-core/NGExtensions/NGHashMap.m allows a NULL pointer dereference and SOGo crash via a request in which a parameter in the query string is a duplicate of a parameter in the POST body.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-476 CWE-476

References

Other References

https://github.com/Alinto/sope/blob/3146fbdb6ff3314e37e5c3682deeeef7d0f32064/sope-core/NGExtensions/NGHashMap.m#L790 https://github.com/Alinto/sope/commit/280104e45c20519ac4849ebf8bca114d91383543 https://github.com/Alinto/sope/compare/SOGo-2.0.1...SOGo-2.0.2 https://github.com/Alinto/sope/pull/69 https://www.openwall.com/lists/oss-security/2025/07/02/3 http://www.openwall.com/lists/oss-security/2025/07/05/1 https://lists.debian.org/debian-lts-announce/2025/08/msg00001.html https://www.openwall.com/lists/oss-security/2025/07/02/3

Frequently Asked Questions

What is CVE-2025-53603? +

In Alinto SOPE SOGo 2.0.2 through 5.12.2, sope-core/NGExtensions/NGHashMap.m allows a NULL pointer dereference and SOGo crash via a request in which a parameter in the query string is a duplicate of a parameter in the POST body. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-53603? +

CVE-2025-53603 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-53603? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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