What is CVE-2026-59844?

CVE-2026-59844 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under CWE-789. CVSS score: 6.5/10. Published 2026-07-21.

How severe is CVE-2026-59844?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Red Hat Enterprise Linux 10

CVE-2026-59844

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.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat Hardened Images

Weakness classification (CWE)

CWE-789

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)

Frequently asked questions

What is CVE-2026-59844?: CVE-2026-59844 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under CWE-789. CVSS score: 6.5/10. Published 2026-07-21.
How severe is CVE-2026-59844?: Medium severity. CVSS v3 base score is 6.5 out of 10.