Fluid Attacks Database

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 an infinite loop. This requires parsing the content stream of a page which has an inline image using the DCTDecode 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
debian 13	pypdf	=5.4.0-1 \|\| =6.9.0-1 \|\| =6.9.2-1	-
debian 14	pypdf	=5.4.0-1 \|\| >=0 <6.9.0-1	6.9.0-1
pypi	pypdf	>=0 <6.1.3	6.1.3

Aliases

1. CVE-2025-627072. NVD-2025-627073. OSV-DEBIAN-2025-627074. OSV-2025-627075. GHSA-vr63-x8vc-m2656. GCVE-2025-627077. SECURITY-TRACKER-CVE-2025-62707

References

1. https://github.com/py-pdf/pypdf/security/advisories/GHSA-vr63-x8vc-m2652. https://github.com/py-pdf/pypdf/pull/35013. https://github.com/py-pdf/pypdf/commit/f2864d6dd9bac7cecd3f4f54308b25ebbfa178f84. https://github.com/py-pdf/pypdf/releases/tag/6.1.3

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