GHSA-7gw9-cf7v-778f
Medium · 5.5pypdf: Manipulated FlateDecode predictor parameters can exhaust RAM
CVSS
5.5
EPSS
—
Published
Apr 16, 2026
CISA due date
—
The record
An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing a stream compressed using `/FlateDecode` with a `/Predictor` unequal 1 and large predictor parameters.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
Related vulnerabilities
- CVE-2026-41312 pypdf is a free and open-source pure-python PDF library. Same vulnerability
- CVE-2026-112399 Pillow is a Python imaging library. CWE-789
- CVE-2026-112283 VideoLAN libbluray through 1.5.1 contains an uncontrolled memory allocation vulnerability… CWE-789
- CVE-2026-106569 ImageMagick is free and open-source software used for editing and manipulating digital… CWE-789
- CVE-2026-106453 yawkat LZ4 Java provides LZ4 compression for Java. CWE-789
- CVE-2026-106452 yawkat LZ4 Java provides LZ4 compression for Java. CWE-789
- CVE-2026-77301 adm-zip is a JavaScript library for creating and extracting ZIP archives in Node.js. CWE-789
- CVE-2026-77410 RabbitMQ amqp091-go is a Go AMQP 0.9.1 client. CWE-789