# Pypdf Project Pypdf vulnerabilities

Source: https://junglewise.ai/threats/technologies/pypdf-project-pypdf  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/pypdf-project-pypdf.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Pypdf Project Pypdf: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-71870, was published on 7 August 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 4 (0 critical, 0 exploited in the wild)

## About Pypdf Project Pypdf

Python library for reading, writing, and manipulating PDF documents.

## Latest Pypdf Project Pypdf vulnerabilities

- [CVE-2026-71870: pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause large memory consumption…](https://junglewise.ai/threats/cve-2026-71870-pypdf-uncontrolled-resource-consumption-in-tounicode-streams) (medium, CVSS 4, published 7 Aug 2026)
- [CVE-2026-71852: pypdf excessive iteration in CID font width parsing](https://junglewise.ai/threats/cve-2026-71852-pypdf-excessive-iteration-in-cid-font-width-parsing) (medium, CVSS 4, published 7 Aug 2026)
- [CVE-2025-62708: PYSEC-2026-1831 - pypdf can exhaust RAM via manipulated LZWDecode streams](https://junglewise.ai/threats/cve-2025-62708-pypdf-can-exhaust-ram-via-manipulated-lzwdecode-streams) (high, CVSS 7.5, published 22 Oct 2025)
- [CVE-2025-62707: PYSEC-2026-1833 - pypdf possibly loops infinitely when reading DCT inline images without EOF marker](https://junglewise.ai/threats/cve-2025-62707-pypdf-possibly-loops-infinitely-when-reading-dct-inline-images) (high, CVSS 7.5, published 22 Oct 2025)

## Most severe Pypdf Project Pypdf vulnerabilities

- [CVE-2025-62708: PYSEC-2026-1831 - pypdf can exhaust RAM via manipulated LZWDecode streams](https://junglewise.ai/threats/cve-2025-62708-pypdf-can-exhaust-ram-via-manipulated-lzwdecode-streams) (high, CVSS 7.5, published 22 Oct 2025)
- [CVE-2025-62707: PYSEC-2026-1833 - pypdf possibly loops infinitely when reading DCT inline images without EOF marker](https://junglewise.ai/threats/cve-2025-62707-pypdf-possibly-loops-infinitely-when-reading-dct-inline-images) (high, CVSS 7.5, published 22 Oct 2025)
- [CVE-2026-71870: pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause large memory consumption…](https://junglewise.ai/threats/cve-2026-71870-pypdf-uncontrolled-resource-consumption-in-tounicode-streams) (medium, CVSS 4, published 7 Aug 2026)
- [CVE-2026-71852: pypdf excessive iteration in CID font width parsing](https://junglewise.ai/threats/cve-2026-71852-pypdf-excessive-iteration-in-cid-font-width-parsing) (medium, CVSS 4, published 7 Aug 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Pypdf Project Pypdf vulnerabilities", https://junglewise.ai/threats/technologies/pypdf-project-pypdf, 9 November 2026.
