CVE-2025-62708

Summary

pypdf is a free and open-source pure-python PDF library. Prior to version 6.1.3, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the content stream of a page using the LZWDecode filter. This has been fixed in pypdf version 6.1.3.

Affected Software

Weaknesses

• CWE-409: CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://github.com/py-pdf/pypdf/security/advisories/GHSA-jfx9-29x2-rv3j
• https://github.com/py-pdf/pypdf/pull/3502
• https://github.com/py-pdf/pypdf/commit/e51d07807ffcdaf18077b9486dadb3dc05b368da
• https://github.com/py-pdf/pypdf/releases/tag/6.1.3

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