{"id":"JLSEC-2026-64","details":"ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.","modified":"2026-04-09T21:45:15.674857Z","published":"2026-04-09T21:32:46.691Z","upstream":["CVE-2021-28041"],"database_specific":{"license":"CC-BY-4.0","sources":[{"id":"CVE-2021-28041","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28041","imported":"2026-04-09T14:56:18.823Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-28041","published":"2021-03-05T21:15:13.200Z","modified":"2024-11-21T05:59:01.940Z"}]},"references":[{"type":"WEB","url":"https://github.com/openssh/openssh-portable/commit/e04fd6dde16de1cdc5a4d9946397ff60d96568db"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQWGII3LQR4AOTPPFXGMTYE7UDEWIUKI/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TXST2CML2MWY3PNVUXX7FFJE3ATJMNVZ/"},{"type":"WEB","url":"https://security.gentoo.org/glsa/202105-35"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20210416-0002/"},{"type":"WEB","url":"https://www.openssh.com/security.html"},{"type":"WEB","url":"https://www.openssh.com/txt/release-8.5"},{"type":"WEB","url":"https://www.openwall.com/lists/oss-security/2021/03/03/1"},{"type":"WEB","url":"https://www.oracle.com//security-alerts/cpujul2021.html"},{"type":"WEB","url":"https://github.com/openssh/openssh-portable/commit/e04fd6dde16de1cdc5a4d9946397ff60d96568db"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQWGII3LQR4AOTPPFXGMTYE7UDEWIUKI/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TXST2CML2MWY3PNVUXX7FFJE3ATJMNVZ/"},{"type":"WEB","url":"https://security.gentoo.org/glsa/202105-35"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20210416-0002/"},{"type":"WEB","url":"https://www.openssh.com/security.html"},{"type":"WEB","url":"https://www.openssh.com/txt/release-8.5"},{"type":"WEB","url":"https://www.openwall.com/lists/oss-security/2021/03/03/1"},{"type":"WEB","url":"https://www.oracle.com//security-alerts/cpujul2021.html"}],"affected":[{"package":{"name":"OpenSSH_jll","ecosystem":"Julia","purl":"pkg:julia/OpenSSH_jll?uuid=9bd350c2-7e96-507f-8002-3f2e150b4e1b"},"ranges":[{"type":"SEMVER","events":[{"introduced":"8.9.0+0"},{"fixed":"9.1.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-64.json"}}],"schema_version":"1.7.5"}