CVE-2026-59938
6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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 6.14.0, an attacker can craft a PDF with declared image size values that are much too large compared to the actual data, causing large memory usage in pypdf image parsing. This issue is fixed in version 6.14.0.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| py-pdf | pypdf | < 6.14.0 | affected |
Weaknesses
- CWE-789: CWE-789: Memory Allocation with Excessive Size Value
References
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-5qjq-93h5-hrgp
- https://github.com/py-pdf/pypdf/pull/3888
- https://github.com/py-pdf/pypdf/commit/c64583be16b8e8763d8777075f8ecbf382014b7a
- https://github.com/py-pdf/pypdf/releases/tag/6.14.0
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