NetSight
medium5.5

CVE-2026-54530

pypdf: Possible infinite loop when retrieving fonts for layout-mode text extraction

Impact

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 extracting the text in layout mode. This vulnerability is fixed in 6.13.0.

Affected packages

EcosystemPackageAffectedFixed in
pippypdf< 6.13.06.13.0

Affected products

VendorProductAffected versions
Pypdf ProjectPypdf
before 6.13.0

Weakness classification

References