{"id":"CVE-2026-106582","title":"In sshd and ssh in OpenSSH before 10.6, an LZ77 dictionary coder can be used even though this is contraindicated by the arXiv 2609.07709 \"Crossing the Streams\" findings.","summary":"In sshd and ssh in OpenSSH before 10.6, an LZ77 dictionary coder can be used even though this is contraindicated by the arXiv 2609.07709 \"Crossing the Streams\" findings.","severity":"low","cvss":3.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-514","CWE-205"],"vendor":"openbsd","product":"openssh","affected":["openssh < 10.6"],"patched":["openssh 10.6"],"published":"2026-10-06","updated":"2026-10-13","sourceUpdated":"2026-10-13T14:57:12.573","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-106582","references":[{"url":"https://arxiv.org/abs/2609.07709","label":"cve@mitre.org"},{"url":"https://www.openssh.org/releasenotes.html#10.6","label":"cve@mitre.org"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-106582.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-106582"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2547181"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-106582"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106582"},{"url":"https://access.redhat.com/errata/RHSA-2026:82247"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00183,"epssPercentile":0.07775,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-07T14:05:18.589106Z"},"ingestedAt":"2026-10-06T21:20:28.988Z","slug":"CVE-2026-106582","body":"## Overview\n\nIn sshd and ssh in OpenSSH before 10.6, an LZ77 dictionary coder can be used even though this is contraindicated by the arXiv 2609.07709 \"Crossing the Streams\" findings.\n\n## Affected\n\n- `openssh < 10.6`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `openssh 10.6`\n\n## Vendor advisories\n\n- **RHSA-2026:82247** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-10-13 · [advisory](https://access.redhat.com/errata/RHSA-2026:82247)\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · updated 2026-10-20 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-106582.json)","depth":"sunlit","depthScore":20,"depthScoreParts":{"impact":20.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}