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CVE-2026-28351

MEDIUM

5.3

Descricao

pypdf is a free and open-source pure-python PDF library. Prior to version 6.7.4, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the content stream using the RunLengthDecode filter. This has been fixed in pypdf 6.7.4. As a workaround, consider applying the changes from PR #3664.

Detalhes CVE

Pontuacao CVSS v3.15.3

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado2/27/2026

Ultima modificacao3/3/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

pypdf_project:pypdf

Fraquezas (CWE)

CWE-400

Referencias

https://github.com/py-pdf/pypdf/commit/f309c6003746414dc7b5048c19e6d879ff2dc858(security-advisories@github.com)

https://github.com/py-pdf/pypdf/pull/3664(security-advisories@github.com)

https://github.com/py-pdf/pypdf/releases/tag/6.7.4(security-advisories@github.com)

https://github.com/py-pdf/pypdf/security/advisories/GHSA-f2v5-7jq9-h8cg(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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