要点
- CVE-2026-24688 是影响 pypdf, pypdf (py-pdf) 的中危 (CVSS 4.3)漏洞。
- 未来 30 天内被利用的概率（EPSS）：0.45%，高于 38.7% 的漏洞。
- 修复：升级到 6.6.2 或更高版本。
| Package | Affected versions | Patched versions |
|---|
| pypdf PyPI | < 6.6.2
| 6.6.2
|
| pypdf | < 6.6.2
| 6.6.2
|
Description
Impact
An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires accessing the outlines/bookmarks.
Patches
This has been fixed in pypdf 6.6.2.
Workarounds
If projects cannot upgrade yet, consider applying the changes from PR #3610.
NVD description
pypdf is a free and open-source pure-python PDF library. An attacker who uses an infinite loop vulnerability that is present in versions prior to 6.6.2 can craft a PDF which leads to an infinite loop. This requires accessing the outlines/bookmarks. This has been fixed in pypdf 6.6.2. If projects cannot upgrade yet, consider applying the changes from PR #3610 manually.
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