{"cve":"CVE-2026-59845","nvd":{"published":"2026-07-21T12:18:58.103","modified":"2026-09-01T21:18:34.603","status":"Modified","description":"A flaw was found in libssh. When ProxyCommand is used, an unchecked fork() failure can be stored as process ID -1; during cleanup, signals may then be sent across the caller's accessible process tree, leading to local denial of service.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:H","score":5.9},"cwes":["CWE-390"],"references":["https://access.redhat.com/errata/RHSA-2026:42922","https://access.redhat.com/errata/RHSA-2026:55855","https://access.redhat.com/errata/RHSA-2026:62217","https://access.redhat.com/errata/RHSA-2026:62218","https://access.redhat.com/security/cve/CVE-2026-59845"],"products":["libssh:libssh","redhat:enterprise_linux","redhat:hardened_images"],"source":"nvd","synced_at":"2026-10-19T22:45:36.895656543+00:00"},"epss":{"cve":"CVE-2026-59845","score":0.00104,"percentile":0.01,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}