Advisoriesby IbisRed HatCVE-2026-59850
Red Hat libssh: use after free
No fix yet
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.
Affected versions
The source does not list versions here. See the source advisory for affected products and fixes.
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-416
- www.cve.org/CVERecord?id=CVE-2026-59850
- nvd.nist.gov/vuln/detail/CVE-2026-59850
- access.redhat.com/errata/RHSA-2026:42922
- access.redhat.com/errata/RHSA-2026:55855
- access.redhat.com/errata/RHSA-2026:62217
- access.redhat.com/errata/RHSA-2026:62218
- access.redhat.com/security/cve/CVE-2026-59850
- bugzilla.redhat.com/show_bug.cgi?id=2498183