CVE-2026-104982

Medium

Description

A flaw has been found in Linux Mint Xreader up to 4.6.5. This issue affects the function setup_document_content_list/g_strdup_printf of the file backend/epub/epub-document.c of the component EPUB File Handler. This manipulation causes path traversal. The attack is possible to be carried out remotely. The exploit has been published and may be used. Upgrading to version 4.6.6 is capable of addressing this issue. Patch name: a5aecea074e8564b7a22f1ce054b31ec862974b7. It is advisable to upgrade the affected component. One of the project maintainers explains, that "EPUB support was removed from Xreader and reimplemented in Xepub".

SeverityMedium
CVSS4.3
Exploit probability—
ProductLinux Mint Xreader
PublishedOct 3, 2026
First seenOct 3, 2026

How to fix

Affected products

ProductAffected versionsFixed in
linux_mint xreader4.6.0, 4.6.1, 4.6.2, 4.6.3, 4.6.4, 4.6.5—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.