Medium severityNVD Advisory· Published Aug 7, 2026· Updated Sep 10, 2026
CVE-2026-71852
CVE-2026-71852
Description
pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause long runtimes and large memory consumption when pypdf/_font.py function Font._collect_cid_character_widths expands unusually large CID font /W width ranges or excessive width entries during text extraction. This issue is fixed in 6.15.0.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
pypdfPyPI | < 6.15.0 | 6.15.0 |
Affected products
5- osv-coords4 versionspkg:apk/chainguard/litellmpkg:apk/chainguard/nemopkg:apk/chainguard/open-webuipkg:apk/wolfi/open-webui
< 1.96.2-r0+ 3 more
- (no CPE)range: < 1.96.2-r0
- (no CPE)range: < 2.7.3-r17
- (no CPE)range: < 0.11.0-r8
- (no CPE)range: < 0.11.0-r8
Patches
Vulnerability mechanics
References
5News mentions
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