{"id":"UBUNTU-CVE-2026-84783","details":"Use-After-Free in X.509 Extension Cache Under Concurrent Use","modified":"2026-09-29T23:42:19.723409994Z","published":"2026-09-29T00:00:00Z","upstream":["CVE-2026-84783"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-84783"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-84783"}],"affected":[{"package":{"name":"nodejs","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/nodejs?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["12.22.5~dfsg-5ubuntu1","12.22.7~dfsg-2ubuntu1","12.22.7~dfsg-2ubuntu3","12.22.9~dfsg-1ubuntu2","12.22.9~dfsg-1ubuntu3","12.22.9~dfsg-1ubuntu3.1","12.22.9~dfsg-1ubuntu3.2","12.22.9~dfsg-1ubuntu3.3","12.22.9~dfsg-1ubuntu3.4","12.22.9~dfsg-1ubuntu3.5","12.22.9~dfsg-1ubuntu3.6","12.22.9~dfsg-1ubuntu3.6+esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"12.22.9~dfsg-1ubuntu3.6+esm2","binary_name":"libnode72"},{"binary_version":"12.22.9~dfsg-1ubuntu3.6+esm2","binary_name":"nodejs"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84783.json"}}],"schema_version":"1.9.0","severity":[{"type":"Ubuntu","score":"medium"}]}