PT-2025-47916 · Cesanta · Cesanta Mongoose

Published 2025-11-24 · Updated 2025-12-12 · CVE-2025-65502

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions Cesanta Mongoose versions prior to 7.2

Description A flaw exists in Cesanta Mongoose where a null pointer dereference in the add ca certs() function can lead to a denial of service. This occurs during TLS initialization when SSL CTX get cert store() returns NULL.

Recommendations Update to a version newer than 7.1 to address this issue.

Exploit

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2025-65502

Affected Products

Cesanta Mongoose

References · 10

• 🔥 https://github.com/cesanta/mongoose/issues/3306 · Exploit
• https://github.com/cesanta/mongoose/pull/3307 · Patch
• https://osv.dev/vulnerability/CVE-2025-65502 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-65502 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-65502 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-65502 · Security Note
• https://twitter.com/CVEnew/status/1992962971874504799 · Twitter Post
• https://t.me/cveNotify/143798 · Telegram Post
• https://t.me/CVEtracker/38080 · Telegram Post
• https://t.me/cveNotify/145608 · Telegram Post