Out-of-bounds Read in Gnu Glibc
CVE-2019-9169
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.
Vulnerability class: Buffer Overflow
EPSS: 0.047 (90.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Gnu Glibc
- Mcafee Web_gateway
- Netapp Cloud_backup
- Netapp Ontap_select_deploy_administration_utility
- Netapp Steelstore_cloud_integrated_storage
- Canonical Ubuntu_linux — versions 16.04, 18.04, 19.10
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (vdb-entry, Broken Link, x_refsource_BID)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (x_refsource_MISC, Not Applicable)
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (Exploit, Mailing List, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, Mailing List, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-9169?
- CVE-2019-9169 is a critical-severity vulnerability in Gnu Glibc, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2019-02-26.
- How severe is CVE-2019-9169?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-9169 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.