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CVE-2026-113791

6.0 medium Awaiting Analysis
NVD · CVE.org

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.0, an attacker can craft a PDF containing a content stream with many small operations, causing parsing to consume large amounts of memory. This issue is fixed in version 6.21.0.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. StatusPublished → Awaiting AnalysisNVD modified 2026-10-22 16:46
  2. StatusReceived → PublishedNVD modified 2026-10-21 15:37
  3. First seenCVSS 6.0NVD modified 2026-10-21 16:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 4