MEDIUM

GHSA-g9xf-7f8q-9mcj

pypdf: Possible infinite loop when processing threads/articles in writer

상세

### Impact

An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires merging a file with threads/articles into a writer.

### Patches

This has been fixed in [pypdf==6.13.1](https://github.com/py-pdf/pypdf/releases/tag/6.13.1).

### Workarounds

If users cannot upgrade yet, consider applying the changes from PR [#3839](https://github.com/py-pdf/pypdf/pull/3839).

이 버전이 영향받나요?

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영향 패키지

PyPI / pypdf

최초 영향 버전: 0 수정 버전: 6.13.1

수정 pip install --upgrade 'pypdf>=6.13.1'

참고

https://github.com/py-pdf/pypdf/security/advisories/GHSA-g9xf-7f8q-9mcj [WEB]
https://nvd.nist.gov/vuln/detail/CVE-2026-54651 [ADVISORY]
https://github.com/py-pdf/pypdf/pull/3839 [WEB]
https://github.com/py-pdf/pypdf [PACKAGE]
https://github.com/py-pdf/pypdf/releases/tag/6.13.1 [WEB]