{"id":"CVE-2026-73282","title":"In ssh in OpenSSH before 10.5, a use-after-free for realloc data can occur if a certain pair of remote-forwarding operations are concurrent.","summary":"In ssh in OpenSSH before 10.5, a use-after-free for realloc data can occur if a certain pair of remote-forwarding operations are concurrent.","severity":"medium","cvss":4.8,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-416","CWE-825"],"vendor":"openbsd","product":"openssh","affected":["openssh < 10.5"],"patched":["openssh 10.5"],"published":"2026-08-11","updated":"2026-09-04","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73282","references":[{"url":"https://www.openssh.org/releasenotes.html#10.5","label":"cve@mitre.org"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-73282.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-73282"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2514328"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-73282"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73282"},{"url":"https://access.redhat.com/errata/RHSA-2026:69129"},{"url":"https://access.redhat.com/errata/RHSA-2026:69266"},{"url":"https://access.redhat.com/errata/RHSA-2026:69130"}],"tags":["nvd","csaf","vex","red-hat"],"epss":0.00163,"epssPercentile":0.05898,"ingestedAt":"2026-09-05T15:41:16.727Z","scores":{"nvd":4.8,"vendor":5.6},"slug":"CVE-2026-73282","body":"## Overview\n\nIn ssh in OpenSSH before 10.5, a use-after-free for realloc data can occur if a certain pair of remote-forwarding operations are concurrent.\n\n## Affected\n\n- `openssh < 10.5`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `openssh 10.5`\n\n## Vendor advisories\n\n- **RHSA-2026:69129** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux BaseOS (v. 10) · released 2026-09-21 · [advisory](https://access.redhat.com/errata/RHSA-2026:69129)\n- **RHSA-2026:69266** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux BaseOS (v. 8) · released 2026-09-21 · [advisory](https://access.redhat.com/errata/RHSA-2026:69266)\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 9, Red Hat Hardened Images, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4, … · updated 2026-09-21 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-73282.json)\n- **RHSA-2026:69130** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux BaseOS (v. 9) · released 2026-09-21 · [advisory](https://access.redhat.com/errata/RHSA-2026:69130)","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":26.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}