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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.047 (91.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/107160 (vdb-entry, Broken Link)
- security.gentoo.org/glsa/202006-04 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4416-1/ (vendor-advisory, Third Party Advisory)
- kc.mcafee.com/corporate/index (Third Party Advisory)
- www.oracle.com/security-alerts/cpuapr2022.html (Not Applicable)
- sourceware.org/git/gitweb.cgi
- security.netapp.com/advisory/ntap-20190315-0002/ (Patch, Third Party Advisory)
- sourceware.org/bugzilla/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- debbugs.gnu.org/cgi/bugreport.cgi (Exploit, Mailing List, Vendor Advisory)
- debbugs.gnu.org/cgi/bugreport.cgi (Exploit, Mailing List, 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.