CVE-2026-71852
4.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| py-pdf | pypdf | < 6.15.0 | affected |
Weaknesses
- CWE-834: CWE-834: Excessive Iteration
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-fwg2-594c-jp42
- https://github.com/py-pdf/pypdf/pull/3946
- https://github.com/py-pdf/pypdf/commit/51cb6acf9e8a35b77e90b4d87d28fe3e1416d7d7
- https://github.com/py-pdf/pypdf/releases/tag/6.15.0
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