Security Advisory

CVE-2023-45139

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2024-01-10 16:03:08

Last updated 2025-06-03 14:27:45

Assigner GitHub_M

State PUBLISHED

Description

fontTools is a library for manipulating fonts, written in Python. The subsetting module has a XML External Entity Injection (XXE) vulnerability which allows an attacker to resolve arbitrary entities when a candidate font (OT-SVG fonts), which contains a SVG table, is parsed. This allows attackers to include arbitrary files from the filesystem fontTools is running on or make web requests from the host system. This vulnerability has been patched in version 4.43.0.

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