{"id":"CVE-2021-26530","details":"The mg_tls_init function in Cesanta Mongoose HTTPS server 7.0 (compiled with OpenSSL support) is vulnerable to remote OOB write attack via connection request after exhausting memory pool.","modified":"2026-04-12T00:09:18.499548Z","published":"2021-02-08T21:15:13.803Z","references":[{"type":"EVIDENCE","url":"https://github.com/cesanta/mongoose/issues/1204"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/cesanta/mongoose","events":[{"introduced":"0"},{"last_affected":"54250f5fbfa1972b96ef593b457abd6184ea65a0"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"7.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:cesanta:mongoose:7.0:*:*:*:*:*:*:*"}}],"versions":["3.2","3.3","3.4","3.5","3.6","3.7","3.8","4.0","4.1","5.0","5.1","5.2","5.3","5.4","5.5","5.5_20140120","5.6","6.0","6.1","6.10","6.11","6.12","6.13","6.14","6.15","6.16","6.17","6.18","6.2","6.3","6.4","6.5","6.6","6.7","6.9","7.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-26530.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"}]}