CVE-2025-0696: Cesanta Frozen

Medium severity, CVSS 5.3. EPSS: 0.4% chance of exploitation in the next 30 days.

A NULL Pointer Dereference vulnerability in Cesanta Frozen versions less than 1.7 allows an attacker to induce a crash of the component embedding the library by supplying a maliciously crafted JSON as input.

Affected products

• Cesanta Frozen: before 1.7 (fixed in 1.7)

Published 2025-01-27. Last modified 2026-06-17.