pypdf: Possible infinite loop when processing outlines/bookmarks in writer

보통 5.5CVE-2026-54531 · GHSA-m2v9-299j-rv96 · PYSEC-2026-3022 · Published 22/06/2026 · updated 25/10/2026

요약

CVE-2026-54531은(는) pypdf, pypdf (pypdf project)에 영향을 주는 보통 (CVSS 5.5) 취약점입니다.
향후 30일 내 악용 확률(EPSS): 0.17%, 전체 취약점의 6.9%보다 높음.
조치: 6.13.0 이상으로 업데이트하세요.

Package	Affected versions	Patched versions
pypdf PyPI	`< 6.13.0`	`6.13.0`
pypdf pypdf_project	`< 6.13.0`	`6.13.0`

Description

Impact

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

Patches

This has been fixed in pypdf==6.13.0.

Workarounds

If you cannot upgrade yet, consider applying the changes from PR #3830.

NVD description

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 merging a file with outlines into a writer. This vulnerability is fixed in 6.13.0.

References

py-pdf/pypdf security advisory · WEB
py-pdf/pypdf#3830 · WEB
py-pdf/pypdf · PACKAGE
py-pdf/pypdf release 6.13.0 · WEB
pypi.org/project/pypdf · PACKAGE
GitHub Advisory GHSA-m2v9-299j-rv96 · ADVISORY
nvd.nist.gov/vuln/detail/CVE-2026-54531 · ADVISORY

pypdf의 다른 취약점

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Package

Affected versions

Patched versions

pypdf

PyPI

< 6.13.0

6.13.0

pypdf

pypdf_project

< 6.13.0

6.13.0

Description

Impact

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

Patches

This has been fixed in pypdf==6.13.0.

Workarounds

If you cannot upgrade yet, consider applying the changes from PR #3830.

NVD description

pypdf의 다른 취약점

모두 보기 →