PYSEC-2026-4158

pypdf: Possible large memory usage when retrieving Roman page labels

En bref

Publiée
Mise à jour
CVE
CVE-2026-102993
Alias
GHSA-qv6h-rv94-w285
CVSS_V4
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Description

### Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires accessing the page labels of a document with large Roman numerals. ### Patches This has been fixed in [pypdf==6.17.0](https://github.com/py-pdf/pypdf/releases/tag/6.17.0). ### Workarounds If you cannot upgrade yet, consider applying the changes from PR [#4047](https://github.com/py-pdf/pypdf/pull/4047).

Paquets affectés

PaquetVersions
PyPI · pypdfintroduced 0, fixed 6.17.0

Références

Sources

SourceLicence
OSV.devCC-BY 4.0 — PyPA Advisory Database