# CVE-2019-19221: libarchive-tools: In Libarchive 3.4.0, archive_wstring_append_from_mbs in archive_string.chas an out-of-bounds read because of an incor...

CVE-2019-19221 is fixed in 7 products on 1 platform, first by bsdcpio 3.2.2-3.1ubuntu0.6, released November 21, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-19221
- Priority: Routine
- CVSS: 6.5 (Low)
- EPSS: 0.0066
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 21, 2019

## Description

In Libarchive 3.4.0, archive_wstring_append_from_mbs in archive_string.chas an out-of-bounds read because of an incorrect mbrtowc or mbtowc call.For example, bsdtar crashes via a crafted archive.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bsdcpio Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.6 | [bsdcpio 3.2.2-3.1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-bsdcpio-3.2.2-3.1ubuntu0.6.md) | Nov 21, 2019 |
| Linux | bsdtar RHEL 8 | 0:3.3.2-9.el8 | [RHSA-2020:4443](https://patchblox.com/security/data/fix/linux/rhsa-2020-4443.md) | Nov 4, 2020 |
| Linux | bsdtar Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.6 | [bsdtar 3.2.2-3.1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-bsdtar-3.2.2-3.1ubuntu0.6.md) | Nov 21, 2019 |
| Linux | bsdtar ol 8 | 0:3.3.2-9.el8 | [ELSA-2020-4443](https://patchblox.com/security/data/fix/linux/elsa-2020-4443.md) | Nov 10, 2020 |
| Linux | libarchive RHEL 8 | 0:3.3.2-9.el8 | [RHSA-2020:4443](https://patchblox.com/security/data/fix/linux/rhsa-2020-4443.md) | Nov 4, 2020 |
| Linux | libarchive ol 8 | 0:3.3.2-9.el8 | [ELSA-2020-4443](https://patchblox.com/security/data/fix/linux/elsa-2020-4443.md) | Nov 10, 2020 |
| Linux | libarchive-devel RHEL 8 | 0:3.3.2-9.el8 | [RHSA-2020:4443](https://patchblox.com/security/data/fix/linux/rhsa-2020-4443.md) | Nov 4, 2020 |
| Linux | libarchive-devel ol 8 | 0:3.3.2-9.el8 | [ELSA-2020-4443](https://patchblox.com/security/data/fix/linux/elsa-2020-4443.md) | Nov 10, 2020 |
| Linux | libarchive-tools Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.6 | [libarchive-tools 3.2.2-3.1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libarchive-tools-3.2.2-3.1ubuntu0.6.md) | Nov 21, 2019 |
| Linux | libarchive-tools Ubuntu 20.04 LTS (focal) | 3.4.0-1ubuntu2 | [libarchive-tools 3.4.0-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libarchive-tools-3.4.0-1ubuntu2.md) | Nov 21, 2019 |
| Linux | libarchive-tools Ubuntu 24.10 (oracular) | 3.4.0-1ubuntu2 | [libarchive-tools 3.4.0-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libarchive-tools-3.4.0-1ubuntu2.md) | Jan 16, 2026 |
| Linux | libarchive-tools Ubuntu 25.04 (plucky) | 3.4.0-1ubuntu2 | [libarchive-tools 3.4.0-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libarchive-tools-3.4.0-1ubuntu2.md) | Jan 16, 2026 |
| Linux | libarchive13 Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.6 | [libarchive13 3.2.2-3.1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libarchive13-3.2.2-3.1ubuntu0.6.md) | Nov 21, 2019 |
| Linux | libarchive13 Ubuntu 20.04 LTS (focal) | 3.4.0-1ubuntu2 | [libarchive13 3.4.0-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libarchive13-3.4.0-1ubuntu2.md) | Nov 21, 2019 |
| Linux | libarchive13t64 Ubuntu 24.10 (oracular) | 3.4.0-1ubuntu2 | [libarchive13t64 3.4.0-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libarchive13t64-3.4.0-1ubuntu2.md) | Jan 16, 2026 |
| Linux | libarchive13t64 Ubuntu 25.04 (plucky) | 3.4.0-1ubuntu2 | [libarchive13t64 3.4.0-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libarchive13t64-3.4.0-1ubuntu2.md) | Jan 16, 2026 |

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