Linux Mint Xreader EPUB File epub-document.c g_strdup_printf path traversal
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
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux Mint | Xreader | 4.6.0; 4.6.1; 4.6.2; 4.6.3; 4.6.4; 4.6.5 | 4.6.6 | Patch available | CNA |
- 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
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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
Timeline
- 2026-10-03 Threatist record created from CVE-2026-104982
- 2026-10-03 Alias added: GHSA-5m53-wrr5-57qq
- 2026-10-06 Affected versions changed · Red Hat
- 2026-10-06 CVSS score added · Red Hat
- 2026-10-06 CISA SSVC decision points changed
- 2026-10-06 Priority changed: LOW → MEDIUM
References
More Linux Mint vulnerabilities
- 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
Sources
- CVE-2026-104982 · CVE Program
- CVE-2026-104982 · NVD
- FIRST EPSS
- GHSA-5m53-wrr5-57qq · GitHub Advisory Database · CC BY 4.0
- CVE-2026-104982 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences