# CVE-2020-18442: zziplib: The zziplib is a lightweight library to easily extract data from zip files.  Security Fix(es):  * zziplib: infinite l...

CVE-2020-18442 is fixed in 8 products on 1 platform, first by libzzip-0-13 0.13.62-3.1ubuntu0.18.04.1+esm1, released June 18, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-18442
- Priority: Routine
- CVSS: 3.3 (Low)
- EPSS: 0.0075
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 18, 2021

## Description

The zziplib is a lightweight library to easily extract data from zip files.  Security Fix(es):  * zziplib: infinite loop via the return value of zzip_file_read() as used in unzzip_cat_file() (CVE-2020-18442)  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.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libzzip-0-13 Ubuntu 18.04.6 LTS (bionic) | 0.13.62-3.1ubuntu0.18.04.1+esm1 | [libzzip-0-13 0.13.62-3.1ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libzzip-0-13-0.13.62-3.1ubuntu0.18.04.1-esm1.md) | Jun 18, 2021 |
| Linux | libzzip-0-13 Ubuntu 20.04 LTS (focal) | 0.13.62-3.2ubuntu1.1 | [libzzip-0-13 0.13.62-3.2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libzzip-0-13-0.13.62-3.2ubuntu1.1.md) | Jun 18, 2021 |
| Linux | zziplib RHEL 8 | 0:0.13.68-9.el8 | [RHSA-2021:4316](https://patchblox.com/security/data/fix/linux/rhsa-2021-4316.md) | Nov 9, 2021 |
| Linux | zziplib almalinux 8 | 0.13.68-9.el8 | [ALSA-2021:4316](https://patchblox.com/security/data/fix/linux/alsa-2021-4316.md) | Nov 9, 2021 |
| Linux | zziplib amzn 2023 | 0.13.72-1.amzn2023.0.3 | [ALAS2023-2023-006](https://patchblox.com/security/data/fix/linux/alas2023-2023-006.md) | Feb 17, 2023 |
| Linux | zziplib ol 8 | 0:0.13.68-9.el8 | [ELSA-2021-4316](https://patchblox.com/security/data/fix/linux/elsa-2021-4316.md) | Nov 16, 2021 |
| Linux | zziplib rocky 8 | 0:0.13.68-9.el8 | [RLSA-2021:4316](https://patchblox.com/security/data/fix/linux/rlsa-2021-4316.md) | Nov 9, 2021 |
| Linux | zziplib-bin Ubuntu 18.04.6 LTS (bionic) | 0.13.62-3.1ubuntu0.18.04.1+esm1 | [zziplib-bin 0.13.62-3.1ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-zziplib-bin-0.13.62-3.1ubuntu0.18.04.1-esm1.md) | Jun 18, 2021 |
| Linux | zziplib-bin Ubuntu 20.04 LTS (focal) | 0.13.62-3.2ubuntu1.1 | [zziplib-bin 0.13.62-3.2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-zziplib-bin-0.13.62-3.2ubuntu1.1.md) | Jun 18, 2021 |
| Linux | zziplib-debuginfo amzn 2023 | 0.13.72-1.amzn2023.0.3 | [ALAS2023-2023-006](https://patchblox.com/security/data/fix/linux/alas2023-2023-006.md) | Feb 17, 2023 |
| Linux | zziplib-debugsource amzn 2023 | 0.13.72-1.amzn2023.0.3 | [ALAS2023-2023-006](https://patchblox.com/security/data/fix/linux/alas2023-2023-006.md) | Feb 17, 2023 |
| Linux | zziplib-devel RHEL 8 | 0:0.13.68-9.el8 | [RHSA-2021:4316](https://patchblox.com/security/data/fix/linux/rhsa-2021-4316.md) | Nov 9, 2021 |
| Linux | zziplib-devel almalinux 8 | 0.13.68-9.el8 | [ALSA-2021:4316](https://patchblox.com/security/data/fix/linux/alsa-2021-4316.md) | Nov 9, 2021 |
| Linux | zziplib-devel amzn 2023 | 0.13.72-1.amzn2023.0.3 | [ALAS2023-2023-006](https://patchblox.com/security/data/fix/linux/alas2023-2023-006.md) | Feb 17, 2023 |
| Linux | zziplib-devel ol 8 | 0:0.13.68-9.el8 | [ELSA-2021-4316](https://patchblox.com/security/data/fix/linux/elsa-2021-4316.md) | Nov 16, 2021 |
| Linux | zziplib-utils RHEL 8 | 0:0.13.68-9.el8 | [RHSA-2021:4316](https://patchblox.com/security/data/fix/linux/rhsa-2021-4316.md) | Nov 9, 2021 |
| Linux | zziplib-utils almalinux 8 | 0.13.68-9.el8 | [ALSA-2021:4316](https://patchblox.com/security/data/fix/linux/alsa-2021-4316.md) | Nov 9, 2021 |
| Linux | zziplib-utils amzn 2023 | 0.13.72-1.amzn2023.0.3 | [ALAS2023-2023-006](https://patchblox.com/security/data/fix/linux/alas2023-2023-006.md) | Feb 17, 2023 |
| Linux | zziplib-utils ol 8 | 0:0.13.68-9.el8 | [ELSA-2021-4316](https://patchblox.com/security/data/fix/linux/elsa-2021-4316.md) | Nov 16, 2021 |
| Linux | zziplib-utils-debuginfo amzn 2023 | 0.13.72-1.amzn2023.0.3 | [ALAS2023-2023-006](https://patchblox.com/security/data/fix/linux/alas2023-2023-006.md) | Feb 17, 2023 |

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