Read the docs

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

Priority MEDIUM 57CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

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".

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00435 38th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Xreader (Linux Mint): 4.6.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Linux MintXreader4.6.0; 4.6.1; 4.6.2; 4.6.3; 4.6.4; 4.6.54.6.6Patch availableCNA
  • Xreader VendorLinux Mint Affected 4.6.0; 4.6.1; 4.6.2; 4.6.3; 4.6.4; 4.6.5 Fixed in 4.6.6 Patch available CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:o:linux_mint:xreader:*:*:*:*:*:*:*:*———
  • cpe:2.3:o:linux_mint:xreader:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

  • Fix · CNA Xreader (Linux Mint) Fixed in 4.6.6

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-03 Threatist record created from CVE-2026-104982
  2. 2026-10-03 Alias added: GHSA-5m53-wrr5-57qq
  3. 2026-10-06 Affected versions changed · Red Hat
  4. 2026-10-06 CVSS score added · Red Hat
  5. 2026-10-06 CISA SSVC decision points changed
  6. 2026-10-06 Priority changed: LOW → MEDIUM

References

  • TI-2026-67482 Linux Mint Xreader PDF Attachment Saving ev-window.c g_file_get_child path traversal CVSS 4.0MEDIUM 5.3
  • TI-2019-12744 mintinstall (aka Software Manager) 7.9.9 for Linux Mint allows code execution if a… CVSS 3.1HIGH 7.8
  • TI-2023-13770 Warpinator before 1.6.0 allows remote file deletion via directory traversal in top_dir_basenames. CVSS 3.1HIGH 7.5
  • TI-2023-23957 Path traversal in Linux Mint Xreader CVSS 3.1HIGH 7.8
  • TI-2018-09367 An issue was discovered in Cinnamon 1.9.2 through 3.8.6. CVSS 3.0HIGH 8.1
  • TI-2023-23958 Linux Mint Xreader CBT File Parsing Argument Injection Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8
See all 11 →

Sources