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CVE-2026-40260

ADVISORY - github

Summary

Impact

An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the XMP metadata.

Patches

This has been fixed in pypdf==6.10.0.

Workarounds

If you cannot upgrade yet, consider applying the changes from PR #3724.

Common Weakness Enumeration (CWE)

ADVISORY - github

CWE-776⁠

Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

Impacted images

Advisories
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