{"cve":"CVE-2023-0217","nvd":{"published":"2023-02-08T20:15:24.213","modified":"2026-06-17T05:25:02.927","status":"Modified","description":"An invalid pointer dereference on read can be triggered when an\napplication tries to check a malformed DSA public key by the\nEVP_PKEY_public_check() function. This will most likely lead\nto an application crash. This function can be called on public\nkeys supplied from untrusted sources which could allow an attacker\nto cause a denial of service attack.\n\nThe TLS implementation in OpenSSL does not call this function\nbut applications might call the function if there are additional\nsecurity requirements imposed by standards such as FIPS 140-3.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-476"],"references":["https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=23985bac83fd50c8e29431009302b5442f985096","https://security.gentoo.org/glsa/202402-08","https://www.openssl.org/news/secadv/20230207.txt","https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=23985bac83fd50c8e29431009302b5442f985096","https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0003"],"products":["openssl:openssl"],"source":"nvd","synced_at":"2026-10-19T21:37:38.595364862+00:00"},"epss":{"cve":"CVE-2023-0217","score":0.01846,"percentile":0.79067,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-vxrh-cpg7-8vjr","url":"https://osv.dev/vulnerability/GHSA-vxrh-cpg7-8vjr","summary":"openssl-src subject to NULL dereference validating DSA public key","modified":"2026-09-10T03:49:52.197307202Z","packages":[{"ecosystem":"crates.io","name":"openssl-src","purl":"pkg:cargo/openssl-src","ranges":[">=300.0.0 <300.0.12"],"fixed":["300.0.12"]}]},{"id":"RUSTSEC-2023-0012","url":"https://osv.dev/vulnerability/RUSTSEC-2023-0012","summary":"`NULL` dereference validating DSA public key","modified":"2023-11-08T04:11:06.384053Z","packages":[{"ecosystem":"crates.io","name":"openssl-src","purl":"pkg:cargo/openssl-src","ranges":[">=300.0.0 <300.0.12"],"fixed":["300.0.12"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}