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 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/errata/RHSA-2026:42922
https://access.redhat.com/security/cve/CVE-2026-59844
https://bugzilla.redhat.com/show_bug.cgi?id=2498177

Configurations

No configuration.

History

22 Jul 2026, 20:17

Type	Values Removed	Values Added
References		() https://access.redhat.com/errata/RHSA-2026:42922 -

21 Jul 2026, 12:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-21 12:18

Updated : 2026-07-22 20:17

NVD link : CVE-2026-59844

Mitre link : CVE-2026-59844

CVE.ORG link : CVE-2026-59844

JSON object : View

Products Affected

No product.

CWE

CWE-789

Memory Allocation with Excessive Size Value

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