CVE-2017-1000366
glibc contains a vulnerability that allows specially crafted LD_LIBRARY_PATH values to manipulate the heap/stack, causing them to alias, potentially resulting in arbitrary code execution.
Does this matter?
3 public exploits are published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 2.7%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
glibc contains a vulnerability that allows specially crafted LD_LIBRARY_PATH values to manipulate the heap/stack, causing them to alias, potentially resulting in arbitrary code execution. Please note that additional hardening changes have been made to glibc to prevent manipulation of stack and heap memory but these issues are not directly exploitable, as such they have not been given a CVE. This affects glibc 2.25 and earlier.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.73% probability · 86th percentile
- Public exploits
- 3 in Exploit-DB · verified · first 28 June 2017
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- redhat/enterprise linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux server long life · redhat/enterprise linux server tus · redhat/enterprise linux workstation · openstack/cloud magnum orchestration · novell/suse linux enterprise desktop · novell/suse linux enterprise point of sale · novell/suse linux enterprise server · opensuse/leap · suse/linux enterprise for sap · suse/linux enterprise server · suse/linux enterprise server for raspberry pi · suse/linux enterprise software development kit · gnu/glibc · debian/debian linux · mcafee/web gateway
- Source
- cve@mitre.org
EPSS 2.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (3)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
| EDB-ID | Title | Type | Published | Verified |
|---|---|---|---|---|
| EDB-42276source ↗ | Linux Kernel (Debian 9/10 / Ubuntu 14.04.5/16.04.2/17.04 / Fedora 23/24/25) - 'ldso_dynamic Stack Clash' Local Privilege Escalationlinux_x86 · Qualys Corporation | local | 28 June 2017 | yes |
| EDB-42275source ↗ | Linux Kernel (Debian 7.7/8.5/9.0 / Ubuntu 14.04.2/16.04.2/17.04 / Fedora 22/25 / CentOS 7.3.1611) - 'ldso_hwcap_64 Stack Clash' Local Privilege Escalationlinux_x86-64 · Qualys Corporation | local | 28 June 2017 | yes |
| EDB-42274source ↗ | Linux Kernel (Debian 7/8/9/10 / Fedora 23/24/25 / CentOS 5.3/5.11/6.0/6.8/7.2.1511) - 'ldso_hwcap Stack Clash' Local Privilege Escalationlinux_x86 · Qualys Corporation | local | 28 June 2017 | yes |
References
- http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
- http://seclists.org/fulldisclosure/2019/Sep/7
- http://www.debian.org/security/2017/dsa-3887Third Party Advisory
- http://www.securityfocus.com/bid/99127Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038712Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1479Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1480Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1481Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1567Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1712Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2017-1000366Third Party Advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10205Patch, Third Party Advisory
- https://seclists.org/bugtraq/2019/Sep/7
- https://security.gentoo.org/glsa/201706-19Third Party Advisory
- https://www.exploit-db.com/exploits/42274/Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/42275/Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/42276/Third Party Advisory, VDB Entry
- https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txtTechnical Description, Third Party Advisory
- https://www.suse.com/security/cve/CVE-2017-1000366/Third Party Advisory
- https://www.suse.com/support/kb/doc/?id=7020973Third Party Advisory
- http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
- http://seclists.org/fulldisclosure/2019/Sep/7
- http://www.debian.org/security/2017/dsa-3887Third Party Advisory
- http://www.securityfocus.com/bid/99127Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038712Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1479Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1480Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1481Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1567Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1712Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.