# CVE-2023-32636: mingw32-glib2: GLib provides the core application building blocks for libraries and applications written in C CVE-2023-32636 is fixed in 9 products on 1 platform, first by libglib2.0-0 2.56.4-0ubuntu0.18.04.9+esm3, released June 6, 2023. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2023-32636 - Priority: Routine - CVSS: 6.2 (Low) - EPSS: 0.0079 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Jun 6, 2023 ## 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): * glib: GVariant offset table entry size is not checked in is_normal() (CVE-2023-29499) * glib: g_variant_byteswap() can take a long time with some non-normal inputs (CVE-2023-32611) * glib: Timeout in fuzz_variant_text (CVE-2023-32636) * glib: GVariant deserialisation does not match spec for non-normal data (CVE-2023-32665) 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 9.4 Release Notes linked from the References section. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | libglib2.0-0 Ubuntu 18.04.6 LTS (bionic) | 2.56.4-0ubuntu0.18.04.9+esm3 | [libglib2.0-0 2.56.4-0ubuntu0.18.04.9+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libglib2.0-0-2.56.4-0ubuntu0.18.04.9-esm3.md) | Jun 6, 2023 | | Linux | libglib2.0-0 Ubuntu 20.04 LTS (focal) | 2.64.6-1~ubuntu20.04.6 | [libglib2.0-0 2.64.6-1~ubuntu20.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libglib2.0-0-2.64.6-1-ubuntu20.04.6.md) | Jun 6, 2023 | | Linux | libglib2.0-0 Ubuntu 22.04.1 LTS (jammy) | 2.72.4-0ubuntu2.2 | [libglib2.0-0 2.72.4-0ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libglib2.0-0-2.72.4-0ubuntu2.2.md) | Jun 6, 2023 | | Linux | libglib2.0-bin Ubuntu 18.04.6 LTS (bionic) | 2.56.4-0ubuntu0.18.04.9+esm3 | [libglib2.0-bin 2.56.4-0ubuntu0.18.04.9+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libglib2.0-bin-2.56.4-0ubuntu0.18.04.9-esm3.md) | Jun 6, 2023 | | Linux | libglib2.0-bin Ubuntu 20.04 LTS (focal) | 2.64.6-1~ubuntu20.04.6 | [libglib2.0-bin 2.64.6-1~ubuntu20.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libglib2.0-bin-2.64.6-1-ubuntu20.04.6.md) | Jun 6, 2023 | | Linux | libglib2.0-bin Ubuntu 22.04.1 LTS (jammy) | 2.72.4-0ubuntu2.2 | [libglib2.0-bin 2.72.4-0ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libglib2.0-bin-2.72.4-0ubuntu2.2.md) | Jun 6, 2023 | | Linux | libglib2.0-data Ubuntu 18.04.6 LTS (bionic) | 2.56.4-0ubuntu0.18.04.9+esm3 | [libglib2.0-data 2.56.4-0ubuntu0.18.04.9+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libglib2.0-data-2.56.4-0ubuntu0.18.04.9-esm3.md) | Jun 6, 2023 | | Linux | libglib2.0-data Ubuntu 20.04 LTS (focal) | 2.64.6-1~ubuntu20.04.6 | [libglib2.0-data 2.64.6-1~ubuntu20.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libglib2.0-data-2.64.6-1-ubuntu20.04.6.md) | Jun 6, 2023 | | Linux | libglib2.0-data Ubuntu 22.04.1 LTS (jammy) | 2.72.4-0ubuntu2.2 | [libglib2.0-data 2.72.4-0ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libglib2.0-data-2.72.4-0ubuntu2.2.md) | Jun 6, 2023 | | Linux | libglib2.0-dev-bin Ubuntu 18.04.6 LTS (bionic) | 2.56.4-0ubuntu0.18.04.9+esm3 | [libglib2.0-dev-bin 2.56.4-0ubuntu0.18.04.9+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libglib2.0-dev-bin-2.56.4-0ubuntu0.18.04.9-esm3.md) | Jun 6, 2023 | | Linux | libglib2.0-dev-bin Ubuntu 20.04 LTS (focal) | 2.64.6-1~ubuntu20.04.6 | [libglib2.0-dev-bin 2.64.6-1~ubuntu20.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libglib2.0-dev-bin-2.64.6-1-ubuntu20.04.6.md) | Jun 6, 2023 | | Linux | libglib2.0-dev-bin Ubuntu 22.04.1 LTS (jammy) | 2.72.4-0ubuntu2.2 | [libglib2.0-dev-bin 2.72.4-0ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libglib2.0-dev-bin-2.72.4-0ubuntu2.2.md) | Jun 6, 2023 | | Linux | libglib2.0-tests Ubuntu 18.04.6 LTS (bionic) | 2.56.4-0ubuntu0.18.04.9+esm3 | [libglib2.0-tests 2.56.4-0ubuntu0.18.04.9+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libglib2.0-tests-2.56.4-0ubuntu0.18.04.9-esm3.md) | Jun 6, 2023 | | Linux | libglib2.0-tests Ubuntu 20.04 LTS (focal) | 2.64.6-1~ubuntu20.04.6 | [libglib2.0-tests 2.64.6-1~ubuntu20.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libglib2.0-tests-2.64.6-1-ubuntu20.04.6.md) | Jun 6, 2023 | | Linux | libglib2.0-tests Ubuntu 22.04.1 LTS (jammy) | 2.72.4-0ubuntu2.2 | [libglib2.0-tests 2.72.4-0ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libglib2.0-tests-2.72.4-0ubuntu2.2.md) | Jun 6, 2023 | | Linux | mingw32-glib2 RHEL 9 | 0:2.78.0-1.el9 | [RHSA-2024:2528](https://patchblox.com/security/data/fix/linux/rhsa-2024-2528.md) | Apr 30, 2024 | | Linux | mingw32-glib2 almalinux 9 | 2.78.0-1.el9 | [ALSA-2024:2528](https://patchblox.com/security/data/fix/linux/alsa-2024-2528.md) | Apr 30, 2024 | | Linux | mingw32-glib2 ol 9 | 0:2.78.0-1.el9 | [ELSA-2024-2528](https://patchblox.com/security/data/fix/linux/elsa-2024-2528.md) | May 3, 2024 | | Linux | mingw32-glib2-static RHEL 9 | 0:2.78.0-1.el9 | [RHSA-2024:2528](https://patchblox.com/security/data/fix/linux/rhsa-2024-2528.md) | Apr 30, 2024 | | Linux | mingw32-glib2-static almalinux 9 | 2.78.0-1.el9 | [ALSA-2024:2528](https://patchblox.com/security/data/fix/linux/alsa-2024-2528.md) | Apr 30, 2024 | | Linux | mingw32-glib2-static ol 9 | 0:2.78.0-1.el9 | [ELSA-2024-2528](https://patchblox.com/security/data/fix/linux/elsa-2024-2528.md) | May 3, 2024 | | Linux | mingw64-glib2 RHEL 9 | 0:2.78.0-1.el9 | [RHSA-2024:2528](https://patchblox.com/security/data/fix/linux/rhsa-2024-2528.md) | Apr 30, 2024 | | Linux | mingw64-glib2 almalinux 9 | 2.78.0-1.el9 | [ALSA-2024:2528](https://patchblox.com/security/data/fix/linux/alsa-2024-2528.md) | Apr 30, 2024 | | Linux | mingw64-glib2 ol 9 | 0:2.78.0-1.el9 | [ELSA-2024-2528](https://patchblox.com/security/data/fix/linux/elsa-2024-2528.md) | May 3, 2024 | | Linux | mingw64-glib2-static RHEL 9 | 0:2.78.0-1.el9 | [RHSA-2024:2528](https://patchblox.com/security/data/fix/linux/rhsa-2024-2528.md) | Apr 30, 2024 | | Linux | mingw64-glib2-static almalinux 9 | 2.78.0-1.el9 | [ALSA-2024:2528](https://patchblox.com/security/data/fix/linux/alsa-2024-2528.md) | Apr 30, 2024 | | Linux | mingw64-glib2-static ol 9 | 0:2.78.0-1.el9 | [ELSA-2024-2528](https://patchblox.com/security/data/fix/linux/elsa-2024-2528.md) | May 3, 2024 | --- Data as of 2026-11-08T13:06:02Z UTC. 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