# CVE-2019-12450: glib2: GLib provides the core application building blocks for libraries and applications written in C

CVE-2019-12450 is fixed in 11 products on 1 platform, first by libglib2.0-0 2.56.4-0ubuntu0.18.04.3, released May 28, 2019. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2019-12450
- Priority: High
- CVSS: 9.8 (Moderate)
- EPSS: 0.0262
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 28, 2019

## Description

GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures.  Security Fix(es):  * glib2: file_copy_fallback in gio/gfile.c in GNOME GLib does not properly restrict file permissions while a copy operation is in progress (CVE-2019-12450)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.1 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | glib2 RHEL 8 | 0:2.56.4-7.el8 | [RHSA-2019:3530](https://patchblox.com/security/data/fix/linux/rhsa-2019-3530.md) | Nov 5, 2019 |
| Linux | glib2 ol 8 | 0:2.56.4-7.el8 | [ELSA-2019-3530](https://patchblox.com/security/data/fix/linux/elsa-2019-3530.md) | Nov 14, 2019 |
| Linux | glib2-devel RHEL 8 | 0:2.56.4-7.el8 | [RHSA-2019:3530](https://patchblox.com/security/data/fix/linux/rhsa-2019-3530.md) | Nov 5, 2019 |
| Linux | glib2-devel ol 8 | 0:2.56.4-7.el8 | [ELSA-2019-3530](https://patchblox.com/security/data/fix/linux/elsa-2019-3530.md) | Nov 14, 2019 |
| Linux | glib2-doc RHEL 8 | 0:2.56.4-7.el8 | [RHSA-2019:3530](https://patchblox.com/security/data/fix/linux/rhsa-2019-3530.md) | Nov 5, 2019 |
| Linux | glib2-doc ol 8 | 0:2.56.4-7.el8 | [ELSA-2019-3530](https://patchblox.com/security/data/fix/linux/elsa-2019-3530.md) | Nov 14, 2019 |
| Linux | glib2-fam RHEL 8 | 0:2.56.4-7.el8 | [RHSA-2019:3530](https://patchblox.com/security/data/fix/linux/rhsa-2019-3530.md) | Nov 5, 2019 |
| Linux | glib2-fam ol 8 | 0:2.56.4-7.el8 | [ELSA-2019-3530](https://patchblox.com/security/data/fix/linux/elsa-2019-3530.md) | Nov 14, 2019 |
| Linux | glib2-static RHEL 8 | 0:2.56.4-7.el8 | [RHSA-2019:3530](https://patchblox.com/security/data/fix/linux/rhsa-2019-3530.md) | Nov 5, 2019 |
| Linux | glib2-static ol 8 | 0:2.56.4-7.el8 | [ELSA-2019-3530](https://patchblox.com/security/data/fix/linux/elsa-2019-3530.md) | Nov 14, 2019 |
| Linux | glib2-tests RHEL 8 | 0:2.56.4-7.el8 | [RHSA-2019:3530](https://patchblox.com/security/data/fix/linux/rhsa-2019-3530.md) | Nov 5, 2019 |
| Linux | glib2-tests ol 8 | 0:2.56.4-7.el8 | [ELSA-2019-3530](https://patchblox.com/security/data/fix/linux/elsa-2019-3530.md) | Nov 14, 2019 |
| Linux | libglib2.0-0 Ubuntu 18.04.6 LTS (bionic) | 2.56.4-0ubuntu0.18.04.3 | [libglib2.0-0 2.56.4-0ubuntu0.18.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libglib2.0-0-2.56.4-0ubuntu0.18.04.3.md) | May 28, 2019 |
| Linux | libglib2.0-bin Ubuntu 18.04.6 LTS (bionic) | 2.56.4-0ubuntu0.18.04.3 | [libglib2.0-bin 2.56.4-0ubuntu0.18.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libglib2.0-bin-2.56.4-0ubuntu0.18.04.3.md) | May 28, 2019 |
| Linux | libglib2.0-data Ubuntu 18.04.6 LTS (bionic) | 2.56.4-0ubuntu0.18.04.3 | [libglib2.0-data 2.56.4-0ubuntu0.18.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libglib2.0-data-2.56.4-0ubuntu0.18.04.3.md) | May 28, 2019 |
| Linux | libglib2.0-dev-bin Ubuntu 18.04.6 LTS (bionic) | 2.56.4-0ubuntu0.18.04.3 | [libglib2.0-dev-bin 2.56.4-0ubuntu0.18.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libglib2.0-dev-bin-2.56.4-0ubuntu0.18.04.3.md) | May 28, 2019 |
| Linux | libglib2.0-tests Ubuntu 18.04.6 LTS (bionic) | 2.56.4-0ubuntu0.18.04.3 | [libglib2.0-tests 2.56.4-0ubuntu0.18.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libglib2.0-tests-2.56.4-0ubuntu0.18.04.3.md) | May 28, 2019 |

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