{"id":"CVE-2025-65502","details":"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.","modified":"2026-08-12T15:14:38.403651Z","published":"2025-11-24T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65502.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65502.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-65502"},{"type":"REPORT","url":"https://github.com/cesanta/mongoose/issues/3306"},{"type":"FIX","url":"https://github.com/cesanta/mongoose/pull/3307"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/cesanta/mongoose","events":[{"introduced":"0"},{"fixed":"452bcc68a4c5fecce2ca6ad5c9b60beca9b0214f"}],"database_specific":{"cpe":"cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"7.2"}],"source":["DESCRIPTION","CPE_RANGE"]}}],"versions":["7.1","7.0","6.18","6.17","6.16","6.15","6.14","6.13","6.12","6.11","6.10","6.9","6.7","6.6","6.5","6.4","6.3","6.2","6.1","6.0","5.6","5.5_20140120","5.5","5.4","5.3","5.2","5.1","5.0","4.1","4.0","3.8","3.7","3.6","3.5","3.4","3.3","3.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-65502.json","vanir_signatures_modified":"2026-08-12T15:14:38Z","vanir_signatures":[{"signature_version":"v1","source":"https://github.com/cesanta/mongoose/commit/452bcc68a4c5fecce2ca6ad5c9b60beca9b0214f","target":{"file":"mongoose.h"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["81101173494962791664314093816730485003","17561331730311471187096575611295949743","168208850472217345959817839290500139439","61425641275395339594192646831569603171"]},"id":"CVE-2025-65502-cffe2bf2","signature_type":"Line"},{"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["81101173494962791664314093816730485003","17561331730311471187096575611295949743","168208850472217345959817839290500139439","61425641275395339594192646831569603171"]},"id":"CVE-2025-65502-d3cb1e44","signature_type":"Line","signature_version":"v1","source":"https://github.com/cesanta/mongoose/commit/452bcc68a4c5fecce2ca6ad5c9b60beca9b0214f","target":{"file":"src/mqtt.h"}}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"}]}