CVE-2026-48155
MEDIUM WAF: Medium
CVSS 5.5
Published: 2026-05-28
CWE-400
pypdf is a free and open-source pure-python PDF library. Prior to 6.12.0, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting text in layout mode with large character offsets. This vulnerability is fixed in 6.12.0.
WAF Coverage Analysis
Uncontrolled Resource Consumption
Medium WAF Coverage
OWASP: A05:2021 Security Misconfiguration
912xxx - DOS Protection
Affected Software
| Vendor | Product | Version |
|---|---|---|
| pypdf_project | pypdf | up to 6.12.0 |
References
- github.com (Issue Tracking, Patch)
- github.com (Release Notes)
- github.com (Patch, Vendor Advisory)