NULL Pointer Dereference Affecting cesanta/mongoose package, versions [,7.2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published25 Nov 2025
- disclosed24 Nov 2025
- creditQingpeng Du
Introduced: 24 Nov 2025
CVE-2025-65502 (opens in a new tab)How to fix?
Upgrade cesanta/mongoose to version 7.2 or higher.
Overview
cesanta/mongoose is a networking library for C/C++. It implements event-driven non-blocking APIs for TCP, UDP, HTTP, WebSocket, MQTT.
Affected versions of this package are vulnerable to NULL Pointer Dereference via the add_ca_certs function during TLS initialization when SSL_CTX_get_cert_store() returns NULL. An attacker can cause a crash and disrupt service availability by triggering this condition remotely.