{"id":"CVE-2015-8777","details":"The process_envvars function in elf/rtld.c in the GNU C Library (aka glibc or libc6) before 2.23 allows local users to bypass a pointer-guarding protection mechanism via a zero value of the LD_POINTER_GUARD environment variable.","modified":"2026-04-16T06:20:43.157427275Z","published":"2016-01-20T05:59:01Z","related":["SUSE-SU-2016:0470-1","SUSE-SU-2016:0471-1","SUSE-SU-2016:0472-1","SUSE-SU-2016:0473-1","SUSE-SU-2016:0748-1","SUSE-SU-2016:0778-1","SUSE-SU-2016:0786-1","openSUSE-SU-2024:10154-1"],"references":[{"type":"ADVISORY","url":"http://www.debian.org/security/2016/dsa-3480"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2985-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2985-2"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:1916"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201702-11"},{"type":"EVIDENCE","url":"http://hmarco.org/bugs/glibc_ptr_mangle_weakness.html"},{"type":"REPORT","url":"https://sourceware.org/bugzilla/show_bug.cgi?id=18928"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177404.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2016/01/20/1"},{"type":"WEB","url":"http://www.securityfocus.com/bid/81469"},{"type":"WEB","url":"http://www.securitytracker.com/id/1034811"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"}]}