CVE-2026-59850
Last modified
CVE-2026-59850 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A flaw was found in libssh. If data packets are processed after a channel is closed, channel data callbacks can be invoked after the associated data has already been freed, leading to crashes or possible use-after-free conditions.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
A flaw was found in libssh. If data packets are processed after a channel is closed, channel data callbacks can be invoked after the associated data has already been freed, leading to crashes or possible use-after-free conditions.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libssh | Libssh | All versions |
| Redhat | Hardened Images | All versions |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux | 9.0 |
| Redhat | Enterprise Linux | 10.0 |
References
- https://access.redhat.com/errata/RHSA-2026:42922Issue Tracking
- https://access.redhat.com/security/cve/CVE-2026-59850Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2498183Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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