# CVE-2023-32643: libglib2.0-0: A flaw was found in GLib

CVE-2023-32643 is fixed in 5 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-2023-32643
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0038
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 6, 2023

## Description

A flaw was found in GLib. The GVariant deserialization code is vulnerable to a heap buffer overflow introduced by the fix for CVE-2023-32665. This bug does not affect any released version of GLib, but does affect GLib distributors who followed the guidance of GLib developers to backport the initial fix for CVE-2023-32665.

## 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 |

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