High severity7.5NVD Advisory· Published Aug 7, 2016· Updated May 6, 2026
CVE-2016-6515
CVE-2016-6515
Description
The auth_password function in auth-passwd.c in sshd in OpenSSH before 7.3 does not limit password lengths for password authentication, which allows remote attackers to cause a denial of service (crypt CPU consumption) via a long string.
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
15- github.com/openssh/openssh-portable/commit/fcd135c9df440bcd2d5870405ad3311743d78d97nvdIssue TrackingPatch
- openwall.com/lists/oss-security/2016/08/01/2nvdThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/140070/OpenSSH-7.2-Denial-Of-Service.htmlnvd
- www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.htmlnvd
- www.securityfocus.com/bid/92212nvd
- www.securitytracker.com/id/1036487nvd
- access.redhat.com/errata/RHSA-2017:2029nvd
- cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfnvd
- cert-portal.siemens.com/productcert/pdf/ssa-676336.pdfnvd
- lists.debian.org/debian-lts-announce/2018/09/msg00010.htmlnvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X2L6RW34VFNXYNVVN2CN73YAGJ5VMTFU/nvd
- security.freebsd.org/advisories/FreeBSD-SA-17:06.openssh.ascnvd
- security.netapp.com/advisory/ntap-20171130-0003/nvd
- support.hpe.com/hpsc/doc/public/displaynvd
- www.exploit-db.com/exploits/40888/nvd
News mentions
0No linked articles in our index yet.