CVE-2025-65502

Medium

Description

Null pointer dereference in add_ca_certs() in Cesanta Mongoose before 7.2 allows remote attackers to cause a denial of service via TLS initialization where SSL_CTX_get_cert_store() returns NULL.

SeverityMedium

CVSS4.3

Exploit probability—

ProductCesanta Mongoose

PublishedNov 24, 2025

First seenNov 24, 2025

Weakness typeCWE-476NULL pointer dereference

How to fix

Update

cesanta mongoose7.2 or later

Patches

github.com/cesanta/mongoose/pull/3307

Affected products

Product	Affected versions	Fixed in
cesanta mongoose	v < 7.2	7.2

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