CVE-2015-6564
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...
- Published
- Aug 24, 2015
- Updated
- May 27, 2026
- Assigning CNA
- mitre
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 47.3%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1- vulnerability-assessmentInformational
Professional cybersecurity assessment demonstrating vulnerability identification, CVSS severity scoring, MITRE ATT&CK framework application, and detailed remediation planning for OpenSSH 6.6.1p1 critical vulnerabilities (CVE-2016-0777, CVE-2015-5600)
Responsible use
Use vulnerability information only on systems you own or are authorized to test. Kitploit links to public research metadata and does not store exploit code or malicious payloads.