CVE-2026-54530

pypdf: Possible infinite loop when retrieving fonts for layout-mode text extraction

CVSS 6.9 MEDIUMEPSS 0.1%CWE-835

Vexday Risk Score

13Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS 6.9EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

22 jun 2026Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

pypdf is a free and open-source pure-python PDF library. Prior to 6.13.0, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires extracting the text in layout mode. This vulnerability is fixed in 6.13.0.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Productos afectados

py-pdf · pypdf

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Referencias

https://github.com/py-pdf/pypdf/pull/3830 https://github.com/py-pdf/pypdf/releases/tag/6.13.0 https://github.com/py-pdf/pypdf/security/advisories/GHSA-52x6-gq3r-vpf4