CVE-2021-27218

glib2: GLib provides the core application building blocks for libraries and applications written in C

CVE-2021-27218 is fixed in 15 products on 1 platform, first by libglib2.0-0 2.56.4-0ubuntu0.18.04.7, released February 15, 2021. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0408
90th percentile

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): * glib: integer overflow in g_byte_array_new_take function when called with a buffer of 4GB or more on a 64-bit platform (CVE-2021-27218) 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.

Where it's fixed

ProductFixed inFixReleased
Linux
glib2 · RHEL 8 0:2.56.4-10.el8_4.1 RHSA-2021:3058 Aug 10, 2021
glib2 · ol 8 0:2.56.4-10.el8_4.1 ELSA-2021-3058 Aug 11, 2021
glib2-devel · RHEL 8 0:2.56.4-10.el8_4.1 RHSA-2021:3058 Aug 10, 2021
glib2-devel · ol 8 0:2.56.4-10.el8_4.1 ELSA-2021-3058 Aug 11, 2021
glib2-doc · RHEL 8 0:2.56.4-10.el8_4.1 RHSA-2021:3058 Aug 10, 2021
glib2-doc · ol 8 0:2.56.4-10.el8_4.1 ELSA-2021-3058 Aug 11, 2021
glib2-fam · RHEL 8 0:2.56.4-10.el8_4.1 RHSA-2021:3058 Aug 10, 2021
glib2-fam · ol 8 0:2.56.4-10.el8_4.1 ELSA-2021-3058 Aug 11, 2021
glib2-static · RHEL 8 0:2.56.4-10.el8_4.1 RHSA-2021:3058 Aug 10, 2021
glib2-static · ol 8 0:2.56.4-10.el8_4.1 ELSA-2021-3058 Aug 11, 2021
glib2-tests · RHEL 8 0:2.56.4-10.el8_4.1 RHSA-2021:3058 Aug 10, 2021
glib2-tests · ol 8 0:2.56.4-10.el8_4.1 ELSA-2021-3058 Aug 11, 2021
libglib2.0-0 · Ubuntu 18.04.6 LTS (bionic) 2.56.4-0ubuntu0.18.04.7 libglib2.0-0 2.56.4-0ubuntu0.18.04.7 Feb 15, 2021
libglib2.0-0 · Ubuntu 20.04 LTS (focal) 2.64.6-1~ubuntu20.04.2 libglib2.0-0 2.64.6-1~ubuntu20.04.2 Feb 15, 2021
libglib2.0-bin · Ubuntu 18.04.6 LTS (bionic) 2.56.4-0ubuntu0.18.04.7 libglib2.0-bin 2.56.4-0ubuntu0.18.04.7 Feb 15, 2021
libglib2.0-bin · Ubuntu 20.04 LTS (focal) 2.64.6-1~ubuntu20.04.2 libglib2.0-bin 2.64.6-1~ubuntu20.04.2 Feb 15, 2021
libglib2.0-data · Ubuntu 18.04.6 LTS (bionic) 2.56.4-0ubuntu0.18.04.7 libglib2.0-data 2.56.4-0ubuntu0.18.04.7 Feb 15, 2021
libglib2.0-data · Ubuntu 20.04 LTS (focal) 2.64.6-1~ubuntu20.04.2 libglib2.0-data 2.64.6-1~ubuntu20.04.2 Feb 15, 2021
libglib2.0-dev-bin · Ubuntu 18.04.6 LTS (bionic) 2.56.4-0ubuntu0.18.04.7 libglib2.0-dev-bin 2.56.4-0ubuntu0.18.04.7 Feb 15, 2021
libglib2.0-dev-bin · Ubuntu 20.04 LTS (focal) 2.64.6-1~ubuntu20.04.2 libglib2.0-dev-bin 2.64.6-1~ubuntu20.04.2 Feb 15, 2021
libglib2.0-tests · Ubuntu 18.04.6 LTS (bionic) 2.56.4-0ubuntu0.18.04.7 libglib2.0-tests 2.56.4-0ubuntu0.18.04.7 Feb 15, 2021
libglib2.0-tests · Ubuntu 20.04 LTS (focal) 2.64.6-1~ubuntu20.04.2 libglib2.0-tests 2.64.6-1~ubuntu20.04.2 Feb 15, 2021
mingw32-glib2 · RHEL 8 0:2.66.7-2.el8 RHSA-2021:4526 Nov 9, 2021
mingw32-glib2-static · RHEL 8 0:2.66.7-2.el8 RHSA-2021:4526 Nov 9, 2021
mingw64-glib2 · RHEL 8 0:2.66.7-2.el8 RHSA-2021:4526 Nov 9, 2021
mingw64-glib2-static · RHEL 8 0:2.66.7-2.el8 RHSA-2021:4526 Nov 9, 2021

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.