{"id":"JLSEC-2026-1273","details":"ModularSquareRoot in Crypto++ (aka cryptopp) through 8.9.0 allows attackers to cause a denial of service (infinite loop) via crafted DER public-key data associated with squared odd numbers, such as the square of 268995137513890432434389773128616504853.","modified":"2026-08-13T06:30:03.123113944Z","published":"2026-08-13T06:24:20.501Z","upstream":["CVE-2023-50981"],"database_specific":{"license":"CC-BY-4.0","sources":[{"url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2023-50981","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2023-50981","database_specific":{"status":"Modified"},"id":"CVE-2023-50981","imported":"2026-08-12T15:10:36.618Z","modified":"2026-06-17T06:40:21.427Z","published":"2023-12-18T04:15:51.147Z"}]},"references":[{"type":"WEB","url":"https://github.com/weidai11/cryptopp/issues/1249"},{"type":"WEB","url":"https://github.com/weidai11/cryptopp/issues/1249"}],"affected":[{"package":{"name":"cryptopp_jll","ecosystem":"Julia","purl":"pkg:julia/cryptopp_jll?uuid=9ced465f-3d53-56cd-9803-9d1649b5e965"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1273.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"NVD"}]}