CVE-2025-5318

Public on 2025-06-24

Modified on 2025-06-25

Description

An incorrect comparison check allows to read beyond bounds in the sftp_handle() in the sftp server implementation. Thus an invalid pointer is returned as the handle and we try to continue using that.

Severity

Medium

See what this means

CVSS v3 Base Score

5.4

See breakdown

Affected Packages

Platform	Package	Status
Amazon Linux 2023	libssh	Pending Fix
Amazon Linux 1	libssh2	Not Affected
Amazon Linux 2 - Core	libssh2	Not Affected
Amazon Linux 2023	libssh2	Not Affected

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD	CVSSv3	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2025-5318 Mitre: CVE-2025-5318