CVE-2026-28804

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

pypdf is a free and open-source pure-python PDF library. Prior to version 6.7.5, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires accessing a stream which uses the /ASCIIHexDecode filter. This issue has been patched in version 6.7.5.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 6, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-28804: Medium severity, CVSS 5.3 | Vulnix