# CVE-2021-20299: openexr: A flaw was found in OpenEXR's Multipart input file functionality

CVE-2021-20299 is fixed in openexr on 1 platform, first by DEBIAN-CVE-2021-20299, released March 16, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-20299
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0177
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 16, 2022

## Description

A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no actual parts can trigger a NULL pointer dereference. The highest threat from this vulnerability is to system availability.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | openexr Debian 12.15 (bookworm) | 2.5.4-1 | [DEBIAN-CVE-2021-20299](https://patchblox.com/security/data/fix/linux/debian-cve-2021-20299.md) | Mar 16, 2022 |
| Linux | openexr Debian 13.5 (trixie) | 2.5.4-1 | [DEBIAN-CVE-2021-20299](https://patchblox.com/security/data/fix/linux/debian-cve-2021-20299.md) | Mar 16, 2022 |
| Linux | openexr Debian 14 | 2.5.4-1 | [DEBIAN-CVE-2021-20299](https://patchblox.com/security/data/fix/linux/debian-cve-2021-20299.md) | Mar 16, 2022 |

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