CVE-2026-104982

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

MEDIUM
4.3
CVSS Score
Published: October 3, 2026 at 08:00 AM UTC
Updated: October 6, 2026 at 05:17 PM UTC
1 product affected across 1 vendorXreader

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.4%
SSVC
PoC

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".

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 4.6.6 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (8)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/413198
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/413198/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-104982
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/964347

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-22

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