CVE-2025-5318

Libssh: out-of-bounds read in sftp_handle()

Description

A flaw was found in the libssh library. An out-of-bounds read can be triggered in the sftp_handle function due to an incorrect comparison check that permits the function to access memory beyond the valid handle list and to return an invalid pointer, which is used in further processing. This vulnerability allows an authenticated remote attacker to potentially read unintended memory regions, exposing sensitive information or affect service behavior.

Remediation

Workaround:

  • Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.04%
Affected: Red Hat Red Hat Enterprise Linux 10
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat OpenShift Container Platform 4
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2025-5318?
CVE-2025-5318 has been scored as a medium severity vulnerability.
How to fix CVE-2025-5318?
As a workaround for remediating CVE-2025-5318: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Is CVE-2025-5318 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-5318 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-5318?
CVE-2025-5318 affects Red Hat Red Hat Enterprise Linux 10, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat OpenShift Container Platform 4.
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