Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2019-9169

CVE-2019-9169CRITICAL

n/a n/a — 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 att…

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  H  H    9.8   .0473   91.7     —

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  Feb 25  Reserved by mitre
  Feb 26  Published (CNA: mitre)
  Oct 14  ENRICHED — CVE-2019-9169. Received CVSS 9.8 and CPE data from NVD.
  Oct 14  EXPLOIT PUBLISHED — CVE-2019-9169. Public exploit reference added.

CWE-125 · CNA: mitre · CVSS v3.1 · 12 references · NVD status: Modified

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.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
February 25, 2019	Reserved	Reserved by mitre
February 26, 2019	Published	Published (CNA: mitre)
October 14, 2026	ENRICHED	ENRICHED — CVE-2019-9169. Received CVSS 9.8 and CPE data from NVD.
October 14, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2019-9169. Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	n/a	—	n/a	—

Weaknesses

CWE-125

References (12)

http://www.securityfocus.com/bid/107160 [Broken Link]
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34140 [Exploit, Mailing List, Vendor Advisory]
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34142 [Exploit, Mailing List, Vendor Advisory]
https://kc.mcafee.com/corporate/index?page=content&id=SB10278 [Third Party Advisory]
https://security.gentoo.org/glsa/202006-04 [Third Party Advisory]
https://security.netapp.com/advisory/ntap-20190315-0002/ [Patch, Third Party Advisory]
https://sourceware.org/bugzilla/show_bug.cgi?id=24114 [Issue Tracking, Patch, Third Party Advisory]
https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commit%3Bh=583dd860d5b833037175247230a328f0050dbfe9
https://support.f5.com/csp/article/K54823184 [Third Party Advisory]
https://usn.ubuntu.com/4416-1/ [Third Party Advisory]
https://www.oracle.com/security-alerts/cpuapr2022.html [Not Applicable]

Authoritative record: CVE-2019-9169 at cve.org

Weaknesses: CWE-125

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2019-9169 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.