What’s Vulnerable › Vulnerabilities

CVE-2019-9169

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-02-26 · updated 2026-10-14
• Weakness: CWE-125

Description

In the GNU C Library (aka glibc or libc6) through 2.29, proceed_next_node in posix/regexec.c has a heap-based buffer over-read via an attempted case-insensitive regular-expression match.

Affected products

• Canonical Ubuntu Linux: 16.04, 18.04, 19.10
• GNU C Library (glibc): through 2.29
• McAfee Web Gateway (MWG): from 7.7.2.0 before 7.7.2.21; from 7.8.2.0 before 7.8.2.8; from 8.0.0 before 8.1.1 — fixed in 7.7.2.21, 7.8.2.8, 8.1.1
• NetApp Cloud Backup: all versions
• NetApp ONTAP Select Deploy administration utility: all versions
• NetApp Steelstore Cloud Integrated Storage: all versions

How to fix

Upgrade to a fixed version: McAfee Web Gateway (MWG) 7.7.2.21, 7.8.2.8, 8.1.1. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/107160
• https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34140
• https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34142
• https://kc.mcafee.com/corporate/index?page=content&id=SB10278
• https://security.gentoo.org/glsa/202006-04
• https://security.netapp.com/advisory/ntap-20190315-0002/
• https://sourceware.org/bugzilla/show_bug.cgi?id=24114
• https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commit%3Bh=583dd860d5b833037175247230a328f0050dbfe9
• https://support.f5.com/csp/article/K54823184
• https://usn.ubuntu.com/4416-1/
• https://www.oracle.com/security-alerts/cpuapr2022.html
• http://www.securityfocus.com/bid/107160

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