Vulnerability in GNOME Glib

CVE-2019-9633

gio/gsocketclient.c in GNOME GLib 2.59.2 does not ensure that a parent GTask remains alive during the execution of a connection-attempting enumeration, which allows remote attackers to cause a denial of service (g_socket_client_connected_callback mishandling and application crash) via a crafted web site, as demonstrated by GNOME Web (aka Epiphany).

EPSS: 0.023 (81.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

  • Gnome Glib — versions 2.59.2
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-9633?
CVE-2019-9633 is a medium-severity vulnerability in GNOME Glib, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 6.5/10. Published 2019-03-08.
How severe is CVE-2019-9633?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2019-9633 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.