CVE-2026-71870

ADVISORY - github

Summary

Impact

An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires parsing the /ToUnicode entry of a font with unusually large values, for example during text extraction.

Patches

This has been fixed in pypdf==6.15.0.

Workarounds

If you cannot upgrade yet, consider applying the changes from PR #3944.

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-400⁠

Uncontrolled Resource Consumption

ADVISORY - github

CWE-400⁠

Uncontrolled Resource Consumption

ADVISORY - redhat

CWE-770⁠

Allocation of Resources Without Limits or Throttling

Impacted images

Advisories

Sign in to Docker Scout

See which of your images are affected by this CVE and how to fix them by signing into Docker Scout.