{"id":"JLSEC-2026-757","summary":"Use-after-free in PQC hybrid key-share handling. This is an incomplete-fix follow-up to CVE-2026...","details":"Use-after-free in PQC hybrid key-share handling. This is an incomplete-fix follow-up to CVE-2026-5460 (released in 5.9.1): a malicious TLS 1.3 server sending a truncated PQC hybrid KeyShare can still trigger the error cleanup path to operate on freed memory.","modified":"2026-07-14T21:50:11.431670289Z","published":"2026-07-14T21:41:35.775Z","upstream":["CVE-2026-7531","EUVD-2026-39554","GHSA-w9rp-wwm2-fwmr"],"database_specific":{"sources":[{"html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7531","database_specific":{"status":"Analyzed"},"id":"CVE-2026-7531","imported":"2026-07-14T21:22:49.637Z","modified":"2026-06-26T16:53:58.953Z","published":"2026-06-25T20:17:17.763Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-7531"},{"imported":"2026-07-14T21:23:09.128Z","modified":"2026-06-26T18:33:51Z","published":"2026-06-25T21:31:31Z","url":"https://api.github.com/advisories/GHSA-w9rp-wwm2-fwmr","html_url":"https://github.com/advisories/GHSA-w9rp-wwm2-fwmr","id":"GHSA-w9rp-wwm2-fwmr"},{"id":"EUVD-2026-39554","imported":"2026-07-14T21:22:51.269Z","modified":"2026-06-26T13:17:13Z","published":"2026-06-25T20:01:16Z","url":"https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2026-39554","html_url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-39554"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"https://github.com/advisories/GHSA-w9rp-wwm2-fwmr"},{"type":"WEB","url":"https://github.com/wolfSSL/wolfssl/pull/10327"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7531"},{"type":"WEB","url":"https://www.wolfssl.com/docs/security-vulnerabilities"},{"type":"WEB","url":"https://www.wolfssl.com/docs/security-vulnerabilities/"}],"affected":[{"package":{"name":"wolfSSL_jll","ecosystem":"Julia","purl":"pkg:julia/wolfSSL_jll?uuid=98c43586-9870-5ae5-ab22-acc77b9bbdb5"},"ranges":[{"type":"SEMVER","events":[{"introduced":"5.8.4+0"},{"fixed":"5.9.2+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-757.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"}]}