CVE-2026-59844
Medium
Description
A flaw was found in libssh. A remote authenticated client can issue SSH_FXP_READ requests with an arbitrarily large length, causing a libssh SFTP server to allocate excessive memory and potentially exhaust it through repeated requests.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Libssh
PublishedJul 21, 2026
First seenJul 21, 2026
Weakness typeCWE-789CWE-789
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| libssh libssh | No range specified | — |
| redhat hardened_images | No range specified | — |
| redhat enterprise_linux | 8.0, 9.0, 10.0 | — |
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