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Fencer Intel
critical 9.8

CVE-2019-12450 json

`file_copy_fallback` in `gio/gfile.c` in GNOME GLib 2.15.0 through 2.61.1 does not properly restrict...

published 7y ago modified 3mo ago also EUVD-2019-4059 , JLSEC-2025-153

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

file_copy_fallback in gio/gfile.c in GNOME GLib 2.15.0 through 2.61.1 does not properly restrict file permissions while a copy operation is in progress. Instead, default permissions are used.

Patch / fix

  • julia Glib_jll 2.68.1+0
  • glib2.0 Debian 14, Debian 13, Debian 12 2.58.3-2

debian advisories DEBIAN-CVE-2019-12450

  • glib2.0 Ubuntu 16.04 LTS 2.48.2-0ubuntu4.2
  • glib2.0 Ubuntu 18.04 LTS 2.56.4-0ubuntu0.18.04.3
  • glib2.0 Ubuntu Pro 14.04 LTS 2.40.2-0ubuntu1.1+esm1

ubuntu advisories UBUNTU-CVE-2019-12450

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ibus RHEL 7 1.5.17-11.el7
  • glib2 RHEL 7 2.56.1-7.el7
  • glib2-fam RHEL 7 2.56.1-7.el7
  • ibus-gtk2 RHEL 7 1.5.17-11.el7
  • ibus-gtk3 RHEL 7 1.5.17-11.el7
  • ibus-libs RHEL 7 1.5.17-11.el7
  • ibus-setup RHEL 7 1.5.17-11.el7
  • glib2-tests RHEL 7 2.56.1-7.el7

red hat advisories RHSA-2020:3978RHSA-2019:3530

  • glib2 SLES for SAP 12 SP4, SLES for SAP 12 SP3, SLES for SAP 12 SP2 +12 more 2.48.2-12.12.2
  • glib2 SLES 11 SP4-LTSS, SLE Point of Sale 11 SP3 2.22.5-0.8.39.1
  • glib2 SLE Module for Package Hub 15, SLE Module for Basesystem 15 SP1, SLE Module for Basesystem 15 2.54.3-4.15.1
  • glib2 SLES 12-LTSS, SLES 12 SP1-LTSS 2.38.2-7.9.2

suse advisories SUSE-SU-2019:1722-1SUSE-SU-2019:14102-1SUSE-SU-2019:1596-1SUSE-SU-2019:1594-1

  • glib2 openSUSE Leap 15.0 2.54.3-lp150.3.10.1

opensuse advisories openSUSE-SU-2019:1650-1

  • glib Alpine 3.24, Alpine 3.23, Alpine 3.22 +12 more 2.60.4-r0
  • glib Alpine 3.7 2.54.2-r1
  • glib Alpine 3.8 2.56.1-r1
  • glib Alpine 3.9 2.58.1-r3

alpine advisories ALPINE-CVE-2019-12450

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • glib CBL-Mariner 2.0 2.60.1-5

azure linux advisories AZL-6434

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Is CVE-2019-12450 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-12450 updated cvss 6.6

glib2: file_copy_fallback in gio/gfile.c in GNOME GLib does not properly restrict file permissions while a copy operation is in progress

  • Red Hat Enterprise Linux 6 glib2, firefox, thunderbird, chromium-browser
    affected: no fix planned “Out of support scope”
  • Red Hat OpenShift Do 1 openshiftdo/odo-init-image-rhel7 1.1.3-2
    fixed: vendor fix RHSA-2021:0949
  • Red Hat CodeReady Linux Builder (v. 8) glib2-doc 2.56.4-7.el8, glib2-static 2.56.4-7.el8, glib2-debuginfo 2.56.4-7.el8, glib2-debugsource 2.56.4-7.el8, glib2-fam-debuginfo 2.56.4-7.el8, glib2-devel-debuginfo 2.56.4-7.el8, +1 more Red Hat Enterprise Linux BaseOS (v. 8) glib2 2.56.4-7.el8, glib2-fam 2.56.4-7.el8, glib2-tests 2.56.4-7.el8
    fixed: vendor fix RHSA-2019:3530
  • Red Hat Enterprise Linux Client (v. 7) glib2 2.56.1-7.el7, ibus 1.5.17-11.el7, ibus-gtk2 1.5.17-11.el7, ibus-gtk3 1.5.17-11.el7, ibus-libs 1.5.17-11.el7, ibus-setup 1.5.17-11.el7 Red Hat Enterprise Linux Client Optional (v. 7) glib2-fam 2.56.1-7.el7, glib2-tests 2.56.1-7.el7, ibus-pygtk2 1.5.17-11.el7 Red Hat Enterprise Linux ComputeNode (v. 7) glib2 2.56.1-7.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) ibus 1.5.17-11.el7, glib2-fam 2.56.1-7.el7, ibus-gtk2 1.5.17-11.el7, ibus-gtk3 1.5.17-11.el7, ibus-libs 1.5.17-11.el7, glib2-tests 2.56.1-7.el7, +2 more Red Hat Enterprise Linux Server (v. 7) glib2 2.56.1-7.el7, ibus 1.5.17-11.el7, ibus-gtk2 1.5.17-11.el7, ibus-gtk3 1.5.17-11.el7, ibus-libs 1.5.17-11.el7, ibus-setup 1.5.17-11.el7 Red Hat Enterprise Linux Server Optional (v. 7) glib2-fam 2.56.1-7.el7, glib2-tests 2.56.1-7.el7, ibus-pygtk2 1.5.17-11.el7
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 7) glib2 2.56.1-7.el7, ibus 1.5.17-11.el7, ibus-gtk2 1.5.17-11.el7, ibus-gtk3 1.5.17-11.el7, ibus-libs 1.5.17-11.el7, ibus-setup 1.5.17-11.el7 Red Hat Enterprise Linux Workstation Optional (v. 7) glib2-fam 2.56.1-7.el7, glib2-tests 2.56.1-7.el7, ibus-pygtk2 1.5.17-11.el7
    fixed: vendor fix RHSA-2020:3978
  • Red Hat Enterprise Linux 5 glib2
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.62% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
OSV 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
julia Glib_jll
<2.68.1+0
2.68.1+0

Classification

Weakness
  • CWE-276 Incorrect Default Permissions
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.