VULNERABILITY INTELLIGENCE
CVE-2015-6564
CVSS score7 HIGH
EPSS probability0.60%
CISA KEVNot currently listed
Published2015-08-24
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
Use-after-free vulnerability in the mm_answer_pam_free_ctx function in monitor.c in sshd in OpenSSH before 7.0 on non-OpenBSD platforms might allow local users to gain privileges by leveraging control of the sshd uid to send an unexpectedly early MONITOR_REQ_PAM_FREE_CTX request.
Weakness classification
- CWE-416: Use After Free