CVE-2026-28804mediumCWE-407

pypdf: Inefficient decoding of ASCIIHexDecode streams

13Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 6.9epss 0.4%

probabilidad de explotación

0.4%top 67% de las CVE

explotación observada

noninguna fuente lo reporta

pypdf is a free and open-source pure-python PDF library. Prior to version 6.7.5, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires accessing a stream which uses the /ASCIIHexDecode filter. This issue has been patched in version 6.7.5.

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

Productos afectados

py-pdf · pypdf

Referencias

https://github.com/py-pdf/pypdf/commit/648c627d2657447dfb1773412af05a0a5103b98f https://github.com/py-pdf/pypdf/pull/3666 https://github.com/py-pdf/pypdf/releases/tag/6.7.5 https://github.com/py-pdf/pypdf/security/advisories/GHSA-9m86-7pmv-2852