{"id":"CVE-2023-27560","aliases":["GHSA-hm7p-r324-hhf3"],"url":"https://o3.security/vulnerability/CVE-2023-27560","summary":"phpseclib Infinite Loop vulnerability","details":"Math/PrimeField.php in phpseclib 3.x before 3.0.19 has an infinite loop with composite primefields.","published":"2023-03-03T00:00:00Z","modified":"2026-08-08T03:47:39.365066630Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"phpseclib/phpseclib","fixedVersion":"3.0.19"}],"fix":{"url":"https://github.com/phpseclib/phpseclib/commit/6298d1cd55c3ffa44533bd41906caec246b60440","label":"phpseclib/phpseclib@6298d1c"},"references":[{"type":"WEB","url":"https://github.com/phpseclib/phpseclib/releases/tag/3.0.19"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/27xxx/CVE-2023-27560.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-27560"},{"type":"FIX","url":"https://github.com/phpseclib/phpseclib/commit/6298d1cd55c3ffa44533bd41906caec246b60440"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-08T03:47:39.365066630Z"}}