CVE-2018-11237

Name: CVE-2018-11237
Creator: NVD / NIST
Published: 2018-05-18T16:29:00.417+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.86%

Last modified Jun 17, 2026

CVE-2018-11237 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.86%

53.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Gnu	Glibc	<= 2.27
Redhat	Virtualization Host	4.0
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Workstation	7.0
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
Oracle	Enterprise Communications Broker	3.1.0
Netapp	Data Ontap Edge	All versions
Netapp	Element Software Management	All versions
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	19.10

References

http://www.securityfocus.com/bid/104256Broken Link
https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3092Third Party Advisory
https://security.netapp.com/advisory/ntap-20190329-0001/Broken Link
https://security.netapp.com/advisory/ntap-20190401-0001/Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=23196Issue Tracking, Patch, Third Party Advisory
https://usn.ubuntu.com/4416-1/Third Party Advisory
https://www.exploit-db.com/exploits/44750/Broken Link, Third Party Advisory, VDB Entry
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.htmlPatch, Third Party Advisory
http://www.securityfocus.com/bid/104256Broken Link
https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3092Third Party Advisory
https://security.netapp.com/advisory/ntap-20190329-0001/Broken Link
https://security.netapp.com/advisory/ntap-20190401-0001/Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=23196Issue Tracking, Patch, Third Party Advisory
https://usn.ubuntu.com/4416-1/Third Party Advisory
https://www.exploit-db.com/exploits/44750/Broken Link, Third Party Advisory, VDB Entry
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.htmlPatch, Third Party Advisory

Timeline

Published: May 18, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-11237?

How severe is CVE-2018-11237?

CVE-2018-11237 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2018-11237?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-11237?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST