CVE-2026-59850
4.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|
Weaknesses
- CWE-416: Use After Free
Workarounds
Manually verify the channel is not closed inside your channel data callbacks.
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://access.redhat.com/security/cve/CVE-2026-59850
- https://bugzilla.redhat.com/show_bug.cgi?id=2498183
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