# CVE-2021-1404: clamav: A vulnerability in the PDF parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allo...

CVE-2021-1404 is fixed in 9 products on 1 platform, first by clamav 0.103.2+dfsg-0ubuntu0.18.04.1, released April 7, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-1404
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0213
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 7, 2021

## Description

A vulnerability in the PDF parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper buffer size tracking that may result in a heap buffer over-read. An attacker could exploit this vulnerability by sending a crafted PDF file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | clamav Ubuntu 18.04.6 LTS (bionic) | 0.103.2+dfsg-0ubuntu0.18.04.1 | [clamav 0.103.2+dfsg-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-clamav-0.103.2-dfsg-0ubuntu0.18.04.1.md) | Apr 7, 2021 |
| Linux | clamav Ubuntu 20.04 LTS (focal) | 0.103.2+dfsg-0ubuntu0.20.04.1 | [clamav 0.103.2+dfsg-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-clamav-0.103.2-dfsg-0ubuntu0.20.04.1.md) | Apr 7, 2021 |
| Linux | clamav-base Ubuntu 18.04.6 LTS (bionic) | 0.103.2+dfsg-0ubuntu0.18.04.1 | [clamav-base 0.103.2+dfsg-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-clamav-base-0.103.2-dfsg-0ubuntu0.18.04.1.md) | Apr 7, 2021 |
| Linux | clamav-base Ubuntu 20.04 LTS (focal) | 0.103.2+dfsg-0ubuntu0.20.04.1 | [clamav-base 0.103.2+dfsg-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-clamav-base-0.103.2-dfsg-0ubuntu0.20.04.1.md) | Apr 7, 2021 |
| Linux | clamav-daemon Ubuntu 18.04.6 LTS (bionic) | 0.103.2+dfsg-0ubuntu0.18.04.1 | [clamav-daemon 0.103.2+dfsg-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-clamav-daemon-0.103.2-dfsg-0ubuntu0.18.04.1.md) | Apr 7, 2021 |
| Linux | clamav-daemon Ubuntu 20.04 LTS (focal) | 0.103.2+dfsg-0ubuntu0.20.04.1 | [clamav-daemon 0.103.2+dfsg-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-clamav-daemon-0.103.2-dfsg-0ubuntu0.20.04.1.md) | Apr 7, 2021 |
| Linux | clamav-docs Ubuntu 18.04.6 LTS (bionic) | 0.103.2+dfsg-0ubuntu0.18.04.1 | [clamav-docs 0.103.2+dfsg-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-clamav-docs-0.103.2-dfsg-0ubuntu0.18.04.1.md) | Apr 7, 2021 |
| Linux | clamav-docs Ubuntu 20.04 LTS (focal) | 0.103.2+dfsg-0ubuntu0.20.04.1 | [clamav-docs 0.103.2+dfsg-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-clamav-docs-0.103.2-dfsg-0ubuntu0.20.04.1.md) | Apr 7, 2021 |
| Linux | clamav-freshclam Ubuntu 18.04.6 LTS (bionic) | 0.103.2+dfsg-0ubuntu0.18.04.1 | [clamav-freshclam 0.103.2+dfsg-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-clamav-freshclam-0.103.2-dfsg-0ubuntu0.18.04.1.md) | Apr 7, 2021 |
| Linux | clamav-freshclam Ubuntu 20.04 LTS (focal) | 0.103.2+dfsg-0ubuntu0.20.04.1 | [clamav-freshclam 0.103.2+dfsg-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-clamav-freshclam-0.103.2-dfsg-0ubuntu0.20.04.1.md) | Apr 7, 2021 |
| Linux | clamav-milter Ubuntu 18.04.6 LTS (bionic) | 0.103.2+dfsg-0ubuntu0.18.04.1 | [clamav-milter 0.103.2+dfsg-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-clamav-milter-0.103.2-dfsg-0ubuntu0.18.04.1.md) | Apr 7, 2021 |
| Linux | clamav-milter Ubuntu 20.04 LTS (focal) | 0.103.2+dfsg-0ubuntu0.20.04.1 | [clamav-milter 0.103.2+dfsg-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-clamav-milter-0.103.2-dfsg-0ubuntu0.20.04.1.md) | Apr 7, 2021 |
| Linux | clamav-testfiles Ubuntu 18.04.6 LTS (bionic) | 0.103.2+dfsg-0ubuntu0.18.04.1 | [clamav-testfiles 0.103.2+dfsg-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-clamav-testfiles-0.103.2-dfsg-0ubuntu0.18.04.1.md) | Apr 7, 2021 |
| Linux | clamav-testfiles Ubuntu 20.04 LTS (focal) | 0.103.2+dfsg-0ubuntu0.20.04.1 | [clamav-testfiles 0.103.2+dfsg-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-clamav-testfiles-0.103.2-dfsg-0ubuntu0.20.04.1.md) | Apr 7, 2021 |
| Linux | clamdscan Ubuntu 18.04.6 LTS (bionic) | 0.103.2+dfsg-0ubuntu0.18.04.1 | [clamdscan 0.103.2+dfsg-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-clamdscan-0.103.2-dfsg-0ubuntu0.18.04.1.md) | Apr 7, 2021 |
| Linux | clamdscan Ubuntu 20.04 LTS (focal) | 0.103.2+dfsg-0ubuntu0.20.04.1 | [clamdscan 0.103.2+dfsg-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-clamdscan-0.103.2-dfsg-0ubuntu0.20.04.1.md) | Apr 7, 2021 |
| Linux | libclamav9 Ubuntu 18.04.6 LTS (bionic) | 0.103.2+dfsg-0ubuntu0.18.04.1 | [libclamav9 0.103.2+dfsg-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libclamav9-0.103.2-dfsg-0ubuntu0.18.04.1.md) | Apr 7, 2021 |
| Linux | libclamav9 Ubuntu 20.04 LTS (focal) | 0.103.2+dfsg-0ubuntu0.20.04.1 | [libclamav9 0.103.2+dfsg-0ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libclamav9-0.103.2-dfsg-0ubuntu0.20.04.1.md) | Apr 7, 2021 |

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