CVE-2026-28804

Published: Mar 06, 2026 Last Modified: Mar 10, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,9
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
MEDIUM 5,3
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: low

Description

AI Translation Available

pypdf is a free and open-source pure-python PDF library. Prior to version 6.7.5, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires accessing a stream which uses the /ASCIIHexDecode filter. This issue has been patched in version 6.7.5.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0004
Percentile
0,1th
Updated

EPSS Score Trend (Last 11 Days)

407

Inefficient Algorithmic Complexity

Incomplete
Common Consequences
Security Scopes Affected:
Availability
Potential Impacts:
Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Dos: Resource Consumption (Other)
Applicable Platforms
All platforms may be affected
View CWE Details
Application

Pypdf by Pypdf Project

Version Range Affected
To 6.7.5 (exclusive)
cpe:2.3:a:pypdf_project:pypdf:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/py-pdf/pypdf/commit/648c627d2657447dfb1773412af05a0a5103b98f
https://github.com/py-pdf/pypdf/pull/3666
https://github.com/py-pdf/pypdf/releases/tag/6.7.5
https://github.com/py-pdf/pypdf/security/advisories/GHSA-9m86-7pmv-2852