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Improper resource allocation In pypdf

Description

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.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem
Package
Affected version
Patched versions

Aliases

1. CVE-2025-627082. NVD-2025-627083. OSV-DEBIAN-2025-627084. OSV-2025-627085. GHSA-jfx9-29x2-rv3j6. GCVE-2025-627087. SECURITY-TRACKER-CVE-2025-62708

References

1. https://github.com/py-pdf/pypdf/security/advisories/GHSA-jfx9-29x2-rv3j2. https://github.com/py-pdf/pypdf/pull/35023. https://github.com/py-pdf/pypdf/commit/e51d07807ffcdaf18077b9486dadb3dc05b368da4. https://github.com/py-pdf/pypdf/releases/tag/6.1.3

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