pypdf: pypdf is a free and open-source pure-python PDF library
CVE-2026-115572 is fixed in pypdf on 1 platform by DEBIAN-CVE-2026-115572 (version 6.21.4-1), released November 6, 2026. It is not reported as exploited. Patch Radar priority: Routine.
pypdf is a free and open-source pure-python PDF library. Prior to 6.21.2, an attacker can craft a PDF that repeatedly references the same nonexistent indirect object, causing relevant file parts such as pages to trigger repeated full-file recovery loads and long runtimes when accessed. This issue is fixed in version 6.21.2.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| pypdf · Debian 14 | 6.21.4-1 | DEBIAN-CVE-2026-115572 | Nov 6, 2026 |
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