CVE-2026-48155

Published: Mag 28, 2026 Last Modified: Mag 28, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 4,8
Source: [email protected]
Attack Vector: local
Attack Complexity: low
Privileges Required: none
User Interaction: passive
Confidentiality: N/A
Integrity: N/A
Availability: N/A

Description

AI Translation Available

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.

400

Uncontrolled Resource Consumption

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Access Control Other
Potential Impacts:
Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Dos: Resource Consumption (Other) Bypass Protection Mechanism Other
Applicable Platforms
Technologies: Not Technology-Specific, AI/ML
Likelihood of Exploit: High
View CWE Details
https://github.com/py-pdf/pypdf/pull/3790
https://github.com/py-pdf/pypdf/pull/3790
https://github.com/py-pdf/pypdf/releases/tag/6.12.0
https://github.com/py-pdf/pypdf/releases/tag/6.12.0
https://github.com/py-pdf/pypdf/security/advisories/GHSA-cj…
https://github.com/py-pdf/pypdf/security/advisories/GHSA-cj93-chg6-vgv8