CVE-2026-104982

Linux Mint Xreader EPUB File epub-document.c g_strdup_printf path traversal

State: Published
Severity: 5.3 Medium
Published: Oct 3, 2026
Updated: Oct 6, 2026
Reserved: Oct 2, 2026

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".

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P	VulDB
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C	VulDB
3.0	4.3 Medium	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C	VulDB
2.0	5.0 Medium	AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-22 Path Traversal

Affected Products

Product	Versions
XreaderLinux Mint	4.6.0Affected 4.6.1Affected 4.6.2Affected 4.6.3Affected 4.6.4Affected 4.6.5Affected 4.6.6Not affected

References

VDB-413198 | Linux Mint Xreader EPUB File epub-document.c g_strdup_printf path traversalvdb-entrytechnical-description
VDB-413198 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
CVE-2026-104982 | CVE Analysis and Reportthird-party-advisory
Submit #964347 | Linux Mint Xreader 4.6.3 Path Traversalthird-party-advisory
https://github.com/linuxmint/xreader/issues/713issue-tracking
https://gist.github.com/rodtvs/63a34e7b20a9f97a1a7167a8a1db49c2exploit
https://github.com/linuxmint/xreader/commit/a5aecea074e8564b7a22f1ce054b31ec862974b7patch
https://github.com/linuxmint/xreader/releases/tag/4.6.6patch

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