CVE-2018-11237

HIGH

glibc < 2.27 - Out-of-bounds Write in AVX-512 mempcpy Implementation

Title source: llm
STIX 2.1

Description

An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2.27 and earlier may write data beyond the target buffer, leading to a buffer overflow in __mempcpy_avx512_no_vzeroupper.

References (9)

Core 9
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://sourceware.org/bugzilla/show_bug.cgi?id=23196
Broken Link, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/44750/
Broken Link vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/104256
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3092
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190401-0001/
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHBA-2019:0327
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4416-1/

Scores

CVSS v3 7.8
EPSS 0.0080
EPSS Percentile 74.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (15)
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 19.10
gnu/glibc < 2.27
netapp/data_ontap_edge
netapp/element_software_management
oracle/communications_session_border_controller 8.0.0
oracle/communications_session_border_controller 8.1.0
oracle/communications_session_border_controller 8.2.0
oracle/enterprise_communications_broker 3.0.0
... and 5 more
Published May 18, 2018
Tracked Since Feb 18, 2026