{"id":"CVE-2022-23462","summary":"Stack Buffer Overflow in iowow","details":"IOWOW is a C utility library and persistent key/value storage engine. Versions 1.4.15 and prior contain a stack buffer overflow vulnerability that allows for Denial of Service (DOS) when it parses scientific notation numbers present in JSON. A patch for this issue is available at commit a79d31e4cff1d5a08f665574b29fd885897a28fd in the `master` branch of the repository. There are no workarounds other than applying the patch.","modified":"2026-08-12T12:59:56.355351Z","published":"2022-10-21T00:00:00Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-120","CWE-121"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23462.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23462.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-23462"},{"type":"ADVISORY","url":"https://securitylab.github.com/advisories/GHSL-2022-066_iowow/"},{"type":"FIX","url":"https://github.com/Softmotions/iowow/commit/a79d31e4cff1d5a08f665574b29fd885897a28fd"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/softmotions/iowow","events":[{"introduced":"0"},{"fixed":"a79d31e4cff1d5a08f665574b29fd885897a28fd"}],"database_specific":{"cpe":"cpe:2.3:a:softmotions:iowow:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"1.4.15"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["1.4.15","v1.4.15","v1.4.14","v1.4.13","v1.4.12","v1.4.11","v1.4.10","v1.4.7","v1.4.6","v1.4.5","v1.4.4","v1.4.3","v1.4.2","v1.4.0","v1.3.37","v1.3.36","v1.3.35","v1.3.32","v1.3.31","v1.3.30","v1.3.29","v1.3.28","v1.3.27","v1.3.26","v1.3.25","v1.3.24","v1.3.23","v1.3.22","v1.3.20","v1.3.19","v1.3.17","v1.3.16","v1.3.15","v1.3.13","v1.3.11","v1.3.10","v1.3.9","v1.3.8","v1.3.7","v1.3.6","v1.3.5","v1.3.3","v1.3.2","v1.3.1","v1.3.0","v1.2.14","v1.2.13","v1.2.11","v1.2.10","v1.2.9","v1.2.8","v1.2.7","v1.2.6","v1.2.5","v1.2.4","v1.2.3","v1.2.2","v1.2.0","v1.0.5","v1.0.4","v1.0.3","v1.0.2","v1.0.1","v1.0.1ubuntu1","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-23462.json","vanir_signatures_modified":"2026-08-12T12:59:56Z","vanir_signatures":[{"target":{"file":"src/json/iwjson.c"},"deprecated":false,"digest":{"line_hashes":["766796156551109928825463158941420793","313399920557574803183991637749823479472","263177828327602983841948426301284726313","213023140891930593254087780782341736838"],"threshold":0.9},"id":"CVE-2022-23462-559eb48a","signature_type":"Line","signature_version":"v1","source":"https://github.com/softmotions/iowow/commit/a79d31e4cff1d5a08f665574b29fd885897a28fd"},{"deprecated":false,"digest":{"length":412,"function_hash":"15614091112779079732806033214521365388"},"id":"CVE-2022-23462-894648ee","signature_type":"Function","signature_version":"v1","source":"https://github.com/softmotions/iowow/commit/a79d31e4cff1d5a08f665574b29fd885897a28fd","target":{"file":"src/json/iwjson.c","function":"iwjson_ftoa"}}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}