CVE-2026-49460

弱点类型

pypdf is a free and open-source pure-python PDF library. Prior to 6.12.2, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires accessing a stream which uses the /FlateDecode filter with a PNG predictor. This vulnerability is fixed in 6.12.2.

受影响产品

• pypdf_project pypdf

参考链接

• https://github.com/py-pdf/pypdf/pull/3806
• https://github.com/py-pdf/pypdf/releases/tag/6.12.2
• https://github.com/py-pdf/pypdf/security/advisories/GHSA-5hgr-hg42-57jg