CVE-2026-48155

MEDIUM EPSS 2.7%
Published May 28, 20261mo ago · Modified Jun 17, 20262w ago
4.8 CVSS 4.0
Medium
Find Similar
Published May 28, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
4.8
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
2.7% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-400 Uncontrolled Resource Consumption Resource Mgmt

Affected Products 1

VendorProductVersionRange
pypdf_projectpypdf* <6.12.0

References 3

  • github.com https://github.com/py-pdf/pypdf/pull/3790
    Issue TrackingPatch
  • github.com https://github.com/py-pdf/pypdf/releases/tag/6.12.0
    Release Notes
  • github.com https://github.com/py-pdf/pypdf/security/advisories/GHSA-cj93-chg6-vgv8
    PatchVendor Advisory

Remediation

  • github.com https://github.com/py-pdf/pypdf/pull/3790
    Issue TrackingPatch
  • github.com https://github.com/py-pdf/pypdf/security/advisories/GHSA-cj93-chg6-vgv8
    PatchVendor Advisory