# CVE-2022-0856: libcaca: libcaca is affected by a Divide By Zero issue via img2txt, which allows a remote malicious user to cause a Denial of...

CVE-2022-0856 is fixed in 3 products on 1 platform, first by caca-utils 0.99.beta19-2ubuntu0.18.04.3+esm1, released March 10, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-0856
- Priority: Routine
- CVSS: 6.5 (medium)
- EPSS: 0.0275
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 10, 2022

## Description

libcaca is affected by a Divide By Zero issue via img2txt, which allows a remote malicious user to cause a Denial of Service

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | caca-utils Ubuntu 18.04.6 LTS (bionic) | 0.99.beta19-2ubuntu0.18.04.3+esm1 | [caca-utils 0.99.beta19-2ubuntu0.18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-caca-utils-0.99.beta19-2ubuntu0.18.04.3-esm1.md) | Mar 10, 2022 |
| Linux | caca-utils Ubuntu 20.04 LTS (focal) | 0.99.beta19-2.1ubuntu1.20.04.2+esm1 | [caca-utils 0.99.beta19-2.1ubuntu1.20.04.2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-caca-utils-0.99.beta19-2.1ubuntu1.20.04.2-esm1.md) | Mar 10, 2022 |
| Linux | caca-utils Ubuntu 22.04.1 LTS (jammy) | 0.99.beta19-2.2ubuntu4.1 | [caca-utils 0.99.beta19-2.2ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-caca-utils-0.99.beta19-2.2ubuntu4.1.md) | Mar 10, 2022 |
| Linux | caca-utils Ubuntu 24.04.5 LTS (noble) | 0.99.beta20-4ubuntu0.1 | [caca-utils 0.99.beta20-4ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-caca-utils-0.99.beta20-4ubuntu0.1.md) | Mar 10, 2022 |
| Linux | caca-utils Ubuntu 25.10 (questing) | 0.99.beta20-5ubuntu0.25.10.1 | [caca-utils 0.99.beta20-5ubuntu0.25.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-caca-utils-0.99.beta20-5ubuntu0.25.10.1.md) | Mar 10, 2022 |
| Linux | libcaca Debian 14 | 0.99.beta20-8 | [DEBIAN-CVE-2022-0856](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0856.md) | Mar 10, 2022 |
| Linux | libcaca0 Ubuntu 18.04.6 LTS (bionic) | 0.99.beta19-2ubuntu0.18.04.3+esm1 | [libcaca0 0.99.beta19-2ubuntu0.18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcaca0-0.99.beta19-2ubuntu0.18.04.3-esm1.md) | Mar 10, 2022 |
| Linux | libcaca0 Ubuntu 20.04 LTS (focal) | 0.99.beta19-2.1ubuntu1.20.04.2+esm1 | [libcaca0 0.99.beta19-2.1ubuntu1.20.04.2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libcaca0-0.99.beta19-2.1ubuntu1.20.04.2-esm1.md) | Mar 10, 2022 |
| Linux | libcaca0 Ubuntu 22.04.1 LTS (jammy) | 0.99.beta19-2.2ubuntu4.1 | [libcaca0 0.99.beta19-2.2ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcaca0-0.99.beta19-2.2ubuntu4.1.md) | Mar 10, 2022 |
| Linux | libcaca0 Ubuntu 24.04.5 LTS (noble) | 0.99.beta20-4ubuntu0.1 | [libcaca0 0.99.beta20-4ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libcaca0-0.99.beta20-4ubuntu0.1.md) | Mar 10, 2022 |
| Linux | libcaca0 Ubuntu 25.10 (questing) | 0.99.beta20-5ubuntu0.25.10.1 | [libcaca0 0.99.beta20-5ubuntu0.25.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libcaca0-0.99.beta20-5ubuntu0.25.10.1.md) | Mar 10, 2022 |

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