{"id":"JLSEC-2026-723","summary":"Heap buffer overflow in CertFromX509 via AuthorityKeyIdentifier size confusion. A heap buffer...","details":"Heap buffer overflow in CertFromX509 via AuthorityKeyIdentifier size confusion. A heap buffer overflow occurs when converting an X.509 certificate internally due to incorrect size handling of the AuthorityKeyIdentifier extension.","modified":"2026-07-14T21:50:15.228528287Z","published":"2026-07-14T21:41:35.775Z","upstream":["CVE-2026-5447","EUVD-2026-21183","GHSA-mx4j-fjqx-f8qj"],"database_specific":{"license":"CC-BY-4.0","sources":[{"id":"CVE-2026-5447","imported":"2026-07-14T21:22:49.210Z","modified":"2026-06-17T10:59:02.723Z","published":"2026-04-09T21:16:13.150Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-5447","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-5447","database_specific":{"status":"Analyzed"}},{"imported":"2026-07-14T21:22:54.487Z","modified":"2026-04-29T18:32:37Z","published":"2026-04-09T21:31:31Z","url":"https://api.github.com/advisories/GHSA-mx4j-fjqx-f8qj","html_url":"https://github.com/advisories/GHSA-mx4j-fjqx-f8qj","id":"GHSA-mx4j-fjqx-f8qj"},{"url":"https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2026-21183","html_url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-21183","id":"EUVD-2026-21183","imported":"2026-07-14T21:22:51.614Z","modified":"2026-04-10T18:07:28Z","published":"2026-04-09T20:13:34Z"}]},"references":[{"type":"WEB","url":"https://github.com/advisories/GHSA-mx4j-fjqx-f8qj"},{"type":"WEB","url":"https://github.com/wolfSSL/wolfssl/pull/10112"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-5447"}],"affected":[{"package":{"name":"wolfSSL_jll","ecosystem":"Julia","purl":"pkg:julia/wolfSSL_jll?uuid=98c43586-9870-5ae5-ab22-acc77b9bbdb5"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"5.9.2+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-723.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"}]}