pypdf: Possible large memory usage for large offsets for layout mode text

보통 5.5CVE-2026-48155 · GHSA-cj93-chg6-vgv8 · PYSEC-2026-3016 · Published 28/05/2026 · updated 14/10/2026

요약

CVE-2026-48155은(는) pypdf, pypdf (pypdf project)에 영향을 주는 보통 (CVSS 5.5) 취약점입니다.
향후 30일 내 악용 확률(EPSS): 0.13%, 전체 취약점의 2.4%보다 높음.
조치: 6.12.0 이상으로 업데이트하세요.

Package	Affected versions	Patched versions
pypdf PyPI	`< 6.12.0`	`6.12.0`
pypdf pypdf_project	`< 6.12.0`	`6.12.0`

Description

Impact

An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting text in layout mode with large character offsets.

Patches

This has been fixed in pypdf==6.12.0.

Workarounds

If developers are unable to immediately upgrade, they should consider applying the changes from PR #3790.

NVD description

pypdf is a free and open-source pure-python PDF library. Prior to 6.12.0, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting text in layout mode with large character offsets. This vulnerability is fixed in 6.12.0.

References

py-pdf/pypdf security advisory · WEB
nvd.nist.gov/vuln/detail/CVE-2026-48155 · ADVISORY
py-pdf/pypdf#3790 · WEB
py-pdf/pypdf · PACKAGE
py-pdf/pypdf release 6.12.0 · WEB
pypi.org/project/pypdf · PACKAGE
GitHub Advisory GHSA-cj93-chg6-vgv8 · ADVISORY

pypdf의 다른 취약점

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Package

Affected versions

Patched versions

pypdf

PyPI

< 6.12.0

6.12.0

pypdf

pypdf_project

< 6.12.0

6.12.0

Description

Impact

An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting text in layout mode with large character offsets.

Patches

This has been fixed in pypdf==6.12.0.

Workarounds

If developers are unable to immediately upgrade, they should consider applying the changes from PR #3790.

NVD description

pypdf의 다른 취약점

모두 보기 →