Heap-based buffer overflow in the verify_vbr_checksum function in exfatfsck in…
Priority MEDIUM 41CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Heap-based buffer overflow in the verify_vbr_checksum function in exfatfsck in exfat-utils before 1.2.1 allows remote attackers to cause a denial of service (infinite loop) or possibly execute arbitrary code via a crafted filesystem.
Why it matters now
EPSS 0.04451 91st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:exfat_project:exfat:*:*:*:*:*:*:*:* | up to 1.2.0 | Vulnerable | Exfat Project |
- cpe:2.3:a:exfat_project:exfat:*:*:*:*:*:*:*:* Versions up to 1.2.0 Vulnerable ·Exfat Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2015-8026
- 2026-10-03 Alias added: GHSA-wr2c-q7fx-m82q
References
Patch 4
More Exfat Project Exfat vulnerabilities
- TI-2022-12313 relan exFAT 1.3.0 allows local users to obtain sensitive information (data from deleted… CVSS 3.1MEDIUM 4.7
Sources
- CVE-2015-8026 · CVE Program
- CVE-2015-8026 · NVD
- FIRST EPSS
- GHSA-wr2c-q7fx-m82q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences