Question 1

What is CVE-2026-59937 — CVE-2026-59937?

Accepted Answer

pypdf is a free and open-source pure-python PDF library. Prior to 6.14.0, an attacker can craft a PDF with repeated malformed cross-reference streams that cause pypdf to spend long runtimes recovering broken cross-reference table entries. This issue is fixed in version 6.14.0.

Question 2

What is the authoritative source for CVE-2026-59937?

Accepted Answer

CVE-2026-59937 (CVE-2026-59937) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-59937CVE-2026-59937

Description

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