# CVE-2023-34823: fdkaac: fdkaac before 1.0.5 was discovered to contain a stack overflow in read_callback function in src/main.c.

CVE-2023-34823 is fixed in fdkaac on 1 platform, first by fdkaac 0.6.3-1ubuntu0.18.04.1~esm1, released June 14, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-34823
- Priority: Routine
- CVSS: 5.5 (Low)
- EPSS: 0.0029
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 14, 2023

## Description

fdkaac before 1.0.5 was discovered to contain a stack overflow in read_callback function in src/main.c.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | fdkaac Debian 13.5 (trixie) | 1.0.6-0.1 | [DEBIAN-CVE-2023-34823](https://patchblox.com/security/data/fix/linux/debian-cve-2023-34823.md) | Jun 14, 2023 |
| Linux | fdkaac Debian 14 | 1.0.6-0.1 | [DEBIAN-CVE-2023-34823](https://patchblox.com/security/data/fix/linux/debian-cve-2023-34823.md) | Jun 14, 2023 |
| Linux | fdkaac Ubuntu 18.04.6 LTS (bionic) | 0.6.3-1ubuntu0.18.04.1~esm1 | [fdkaac 0.6.3-1ubuntu0.18.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-fdkaac-0.6.3-1ubuntu0.18.04.1-esm1.md) | Jun 14, 2023 |
| Linux | fdkaac Ubuntu 20.04 LTS (focal) | 0.6.3-1ubuntu0.20.04.1~esm1 | [fdkaac 0.6.3-1ubuntu0.20.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-fdkaac-0.6.3-1ubuntu0.20.04.1-esm1.md) | Jun 14, 2023 |
| Linux | fdkaac Ubuntu 22.04.1 LTS (jammy) | 1.0.0-1ubuntu0.22.04.1~esm1 | [fdkaac 1.0.0-1ubuntu0.22.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-fdkaac-1.0.0-1ubuntu0.22.04.1-esm1.md) | Jun 14, 2023 |
| Linux | fdkaac Ubuntu 24.04.5 LTS (noble) | 1.0.0-1ubuntu0.24.04.1~esm1 | [fdkaac 1.0.0-1ubuntu0.24.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-fdkaac-1.0.0-1ubuntu0.24.04.1-esm1.md) | Jun 14, 2023 |
| Linux | fdkaac Ubuntu 25.04 (plucky) | 1.0.0-1ubuntu0.25.04.1 | [fdkaac 1.0.0-1ubuntu0.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-fdkaac-1.0.0-1ubuntu0.25.04.1.md) | Jan 16, 2026 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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