MEDIUM

GHSA-fp3f-mc75-235c

pypdf: Possible large memory usage for large /ToUnicode streams

빠른 조치

GHSA-fp3f-mc75-235c — pypdf: 아래 명령으로 수정 버전으로 올리세요.

pip install --upgrade 'pypdf>=6.15.0'

상세

### Impact

An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires parsing the `/ToUnicode` entry of a font with unusually large values, for example during text extraction.

### Patches

This has been fixed in [pypdf==6.15.0](https://github.com/py-pdf/pypdf/releases/tag/6.15.0).

### Workarounds

If you cannot upgrade yet, consider applying the changes from PR [#3944](https://github.com/py-pdf/pypdf/pull/3944).

이 버전이 영향받나요?

사용 중인 패키지 버전을 입력하면 즉시 평가합니다.

영향 패키지

PyPI / pypdf

최초 영향 버전: 0 수정 버전: 6.15.0

수정 pip install --upgrade 'pypdf>=6.15.0'

참고

https://github.com/py-pdf/pypdf/security/advisories/GHSA-fp3f-mc75-235c [WEB]
https://github.com/py-pdf/pypdf/pull/3944 [WEB]
https://github.com/py-pdf/pypdf/commit/afba8080e19d29a3c256a742b340995e695b35aa [WEB]
https://github.com/py-pdf/pypdf [PACKAGE]
https://github.com/py-pdf/pypdf/releases/tag/6.15.0 [WEB]