CVE-2026-84309

ADVISORY - github

Summary

Impact

An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires a (usually writing) code path where TreeObject.insert_child is involved.

Patches

This has been fixed in pypdf==6.16.0.

Workarounds

If you cannot upgrade yet, consider applying the changes from PR #3964.

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-835⁠

Loop with Unreachable Exit Condition ('Infinite Loop')

ADVISORY - github

CWE-835⁠

Loop with Unreachable Exit Condition ('Infinite Loop')

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.