# CVE-2020-20740: pdfresurrect: PDFResurrect before 0.20 lack of header validation checks causes heap-buffer-overflow in pdf_get_version().

CVE-2020-20740 is fixed in pdfresurrect on 1 platform, first by pdfresurrect 0.14-1ubuntu0.1~esm1, released April 28, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-20740
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0119
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 20, 2020

## Description

PDFResurrect before 0.20 lack of header validation checks causes heap-buffer-overflow in pdf_get_version().

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | pdfresurrect Ubuntu 18.04.6 LTS (bionic) | 0.14-1ubuntu0.1~esm1 | [pdfresurrect 0.14-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pdfresurrect-0.14-1ubuntu0.1-esm1.md) | Apr 28, 2021 |
| Linux | pdfresurrect Ubuntu 20.04 LTS (focal) | 0.19-1ubuntu0.1~esm1 | [pdfresurrect 0.19-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pdfresurrect-0.19-1ubuntu0.1-esm1.md) | Apr 28, 2021 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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