# CVE-2019-18408: bsdtar: The libarchive programming library can create and read several different streaming archive formats, including GNU tar...

CVE-2019-18408 is fixed in 6 products on 1 platform, first by bsdcpio 3.2.2-3.1ubuntu0.5, released October 24, 2019. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2019-18408
- Priority: High
- CVSS: 8.1 (Important)
- EPSS: 0.0404
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 24, 2019

## Description

The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio, and ISO 9660 CD-ROM images. Libarchive is used notably in the bsdtar utility, scripting language bindings such as python-libarchive, and several popular desktop file managers.  Security Fix(es):  * libarchive: use-after-free in archive_read_format_rar_read_data when there is an error in the decompression of an archive entry (CVE-2019-18408)  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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bsdcpio Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.5 | [bsdcpio 3.2.2-3.1ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-bsdcpio-3.2.2-3.1ubuntu0.5.md) | Oct 24, 2019 |
| Linux | bsdtar RHEL 8 | 0:3.3.2-8.el8_1 | [RHSA-2020:0271](https://patchblox.com/security/data/fix/linux/rhsa-2020-0271.md) | Jan 29, 2020 |
| Linux | bsdtar Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.5 | [bsdtar 3.2.2-3.1ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-bsdtar-3.2.2-3.1ubuntu0.5.md) | Oct 24, 2019 |
| Linux | bsdtar ol 8 | 0:3.3.2-8.el8_1 | [ELSA-2020-0271](https://patchblox.com/security/data/fix/linux/elsa-2020-0271.md) | Jan 29, 2020 |
| Linux | libarchive RHEL 8 | 0:3.3.2-8.el8_1 | [RHSA-2020:0271](https://patchblox.com/security/data/fix/linux/rhsa-2020-0271.md) | Jan 29, 2020 |
| Linux | libarchive ol 8 | 0:3.3.2-8.el8_1 | [ELSA-2020-0271](https://patchblox.com/security/data/fix/linux/elsa-2020-0271.md) | Jan 29, 2020 |
| Linux | libarchive-devel RHEL 8 | 0:3.3.2-8.el8_1 | [RHSA-2020:0271](https://patchblox.com/security/data/fix/linux/rhsa-2020-0271.md) | Jan 29, 2020 |
| Linux | libarchive-devel ol 8 | 0:3.3.2-8.el8_1 | [ELSA-2020-0271](https://patchblox.com/security/data/fix/linux/elsa-2020-0271.md) | Jan 29, 2020 |
| Linux | libarchive-tools Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.5 | [libarchive-tools 3.2.2-3.1ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libarchive-tools-3.2.2-3.1ubuntu0.5.md) | Oct 24, 2019 |
| Linux | libarchive13 Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.5 | [libarchive13 3.2.2-3.1ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libarchive13-3.2.2-3.1ubuntu0.5.md) | Oct 24, 2019 |

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