CVE-2025-62708

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.
Data Amplification
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub_MCNA
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 20%
VendorProductVersion
pypdf_projectpypdf
𝑥
< 6.1.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
pypdf
bookworm
3.4.1-1+deb12u1
not-affected
trixie
no-dsa
forky
vulnerable
sid
vulnerable
Common Weakness Enumeration
References
https://github.com/py-pdf/pypdf/commit/e51d07807ffcdaf18077b9486dadb3dc05b368da
https://github.com/py-pdf/pypdf/pull/3502
https://github.com/py-pdf/pypdf/releases/tag/6.1.3
https://github.com/py-pdf/pypdf/security/advisories/GHSA-jfx9-29x2-rv3j