# CVE-2020-35523: libtiff: The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.  Security...

CVE-2020-35523 is fixed in 6 products on 1 platform, first by libtiff-opengl 4.0.9-5ubuntu0.4, released December 30, 2020. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2020-35523
- Priority: High
- CVSS: 7.8 (Moderate)
- EPSS: 0.0192
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 30, 2020

## Description

The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.  Security Fix(es):  * libtiff: Integer overflow in tif_getimage.c (CVE-2020-35523)  * libtiff: Heap-based buffer overflow in TIFF2PDF tool (CVE-2020-35524)  * libtiff: Memory allocation failure in tiff2rgba (CVE-2020-35521)  * libtiff: Memory allocation failure in tiff2rgba (CVE-2020-35522)  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 | libtiff RHEL 8 | 0:4.0.9-20.el8 | [RHSA-2021:4241](https://patchblox.com/security/data/fix/linux/rhsa-2021-4241.md) | Nov 9, 2021 |
| Linux | libtiff almalinux 8 | 4.0.9-20.el8 | [ALSA-2021:4241](https://patchblox.com/security/data/fix/linux/alsa-2021-4241.md) | Nov 9, 2021 |
| Linux | libtiff ol 8 | 0:4.0.9-20.el8 | [ELSA-2021-4241](https://patchblox.com/security/data/fix/linux/elsa-2021-4241.md) | Nov 16, 2021 |
| Linux | libtiff rocky 8 | 0:4.0.9-20.el8 | [RLSA-2021:4241](https://patchblox.com/security/data/fix/linux/rlsa-2021-4241.md) | Nov 9, 2021 |
| Linux | libtiff-devel RHEL 8 | 0:4.0.9-20.el8 | [RHSA-2021:4241](https://patchblox.com/security/data/fix/linux/rhsa-2021-4241.md) | Nov 9, 2021 |
| Linux | libtiff-devel almalinux 8 | 4.0.9-20.el8 | [ALSA-2021:4241](https://patchblox.com/security/data/fix/linux/alsa-2021-4241.md) | Nov 9, 2021 |
| Linux | libtiff-devel ol 8 | 0:4.0.9-20.el8 | [ELSA-2021-4241](https://patchblox.com/security/data/fix/linux/elsa-2021-4241.md) | Nov 16, 2021 |
| Linux | libtiff-opengl Ubuntu 18.04.6 LTS (bionic) | 4.0.9-5ubuntu0.4 | [libtiff-opengl 4.0.9-5ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtiff-opengl-4.0.9-5ubuntu0.4.md) | Dec 30, 2020 |
| Linux | libtiff-opengl Ubuntu 20.04 LTS (focal) | 4.1.0+git191117-2ubuntu0.20.04.1 | [libtiff-opengl 4.1.0+git191117-2ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libtiff-opengl-4.1.0-git191117-2ubuntu0.20.04.1.md) | Dec 30, 2020 |
| Linux | libtiff-tools RHEL 8 | 0:4.0.9-20.el8 | [RHSA-2021:4241](https://patchblox.com/security/data/fix/linux/rhsa-2021-4241.md) | Nov 9, 2021 |
| Linux | libtiff-tools Ubuntu 18.04.6 LTS (bionic) | 4.0.9-5ubuntu0.4 | [libtiff-tools 4.0.9-5ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtiff-tools-4.0.9-5ubuntu0.4.md) | Dec 30, 2020 |
| Linux | libtiff-tools Ubuntu 20.04 LTS (focal) | 4.1.0+git191117-2ubuntu0.20.04.1 | [libtiff-tools 4.1.0+git191117-2ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libtiff-tools-4.1.0-git191117-2ubuntu0.20.04.1.md) | Dec 30, 2020 |
| Linux | libtiff-tools almalinux 8 | 4.0.9-20.el8 | [ALSA-2021:4241](https://patchblox.com/security/data/fix/linux/alsa-2021-4241.md) | Nov 9, 2021 |
| Linux | libtiff-tools ol 8 | 0:4.0.9-20.el8 | [ELSA-2021-4241](https://patchblox.com/security/data/fix/linux/elsa-2021-4241.md) | Nov 16, 2021 |
| Linux | libtiff5 Ubuntu 18.04.6 LTS (bionic) | 4.0.9-5ubuntu0.4 | [libtiff5 4.0.9-5ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtiff5-4.0.9-5ubuntu0.4.md) | Dec 30, 2020 |
| Linux | libtiff5 Ubuntu 20.04 LTS (focal) | 4.1.0+git191117-2ubuntu0.20.04.1 | [libtiff5 4.1.0+git191117-2ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libtiff5-4.1.0-git191117-2ubuntu0.20.04.1.md) | Dec 30, 2020 |
| Linux | libtiffxx5 Ubuntu 18.04.6 LTS (bionic) | 4.0.9-5ubuntu0.4 | [libtiffxx5 4.0.9-5ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtiffxx5-4.0.9-5ubuntu0.4.md) | Dec 30, 2020 |
| Linux | libtiffxx5 Ubuntu 20.04 LTS (focal) | 4.1.0+git191117-2ubuntu0.20.04.1 | [libtiffxx5 4.1.0+git191117-2ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libtiffxx5-4.1.0-git191117-2ubuntu0.20.04.1.md) | Dec 30, 2020 |

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