# CVE-2022-32200: dwarfdump: libdwarf 0.4.0 has a heap-based buffer over-read in_dwarf_check_string_valid in dwarf_util.c.

CVE-2022-32200 is fixed in 3 products on 1 platform, first by dwarfdump 20210528-1ubuntu0.22.04.1~esm1, released June 2, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-32200
- Priority: High
- CVSS: 7.8 (Medium)
- EPSS: 0.0098
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 2, 2022

## Description

libdwarf 0.4.0 has a heap-based buffer over-read in_dwarf_check_string_valid in dwarf_util.c.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | dwarfdump Ubuntu 22.04.1 LTS (jammy) | 20210528-1ubuntu0.22.04.1~esm1 | [dwarfdump 20210528-1ubuntu0.22.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dwarfdump-20210528-1ubuntu0.22.04.1-esm1.md) | Jun 2, 2022 |
| Linux | dwarfdump Ubuntu 24.04.5 LTS (noble) | 20210528-1ubuntu0.24.04.1~esm1 | [dwarfdump 20210528-1ubuntu0.24.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dwarfdump-20210528-1ubuntu0.24.04.1-esm1.md) | Jun 2, 2022 |
| Linux | dwarfdump Ubuntu 24.10 (oracular) | 20210528-1ubuntu0.24.10.1 | [dwarfdump 20210528-1ubuntu0.24.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-dwarfdump-20210528-1ubuntu0.24.10.1.md) | Jan 16, 2026 |
| Linux | dwarfdump Ubuntu 25.04 (plucky) | 20210528-1ubuntu0.25.04.1 | [dwarfdump 20210528-1ubuntu0.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-dwarfdump-20210528-1ubuntu0.25.04.1.md) | Jan 16, 2026 |
| Linux | dwarfutils Debian 13.5 (trixie) | 1:0.11.1-1 | [DEBIAN-CVE-2022-32200](https://patchblox.com/security/data/fix/linux/debian-cve-2022-32200.md) | Jun 2, 2022 |
| Linux | dwarfutils Debian 14 | 1:0.11.1-1 | [DEBIAN-CVE-2022-32200](https://patchblox.com/security/data/fix/linux/debian-cve-2022-32200.md) | Jun 2, 2022 |
| Linux | libdwarf1 Ubuntu 22.04.1 LTS (jammy) | 20210528-1ubuntu0.22.04.1~esm1 | [libdwarf1 20210528-1ubuntu0.22.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libdwarf1-20210528-1ubuntu0.22.04.1-esm1.md) | Jun 2, 2022 |
| Linux | libdwarf1 Ubuntu 24.04.5 LTS (noble) | 20210528-1ubuntu0.24.04.1~esm1 | [libdwarf1 20210528-1ubuntu0.24.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libdwarf1-20210528-1ubuntu0.24.04.1-esm1.md) | Jun 2, 2022 |
| Linux | libdwarf1 Ubuntu 24.10 (oracular) | 20210528-1ubuntu0.24.10.1 | [libdwarf1 20210528-1ubuntu0.24.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libdwarf1-20210528-1ubuntu0.24.10.1.md) | Jan 16, 2026 |
| Linux | libdwarf1 Ubuntu 25.04 (plucky) | 20210528-1ubuntu0.25.04.1 | [libdwarf1 20210528-1ubuntu0.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libdwarf1-20210528-1ubuntu0.25.04.1.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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