CVE-2015-8026
CVE-2015-8026 is a high-severity vulnerability in Exfat Project Exfat with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 4% (90th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Exfat Project Exfat
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2015-8026?
- 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.
- How severe is CVE-2015-8026?
- CVE-2015-8026 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2015-8026 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2015-8026?
- CVE-2015-8026 affects Exfat Project Exfat. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2015-8026?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2015-8026 published?
- CVE-2015-8026 was published on 2017-03-27 and last updated on 2026-06-17.
References
- http://www.openwall.com/lists/oss-security/2015/10/29/13
- http://www.securityfocus.com/bid/77307
- https://blog.fuzzing-project.org/25-Heap-overflow-and-endless-loop-in-exfatfsck-exfat-utils.html
- https://github.com/relan/exfat/commit/2e86ae5f81da11f11673d0546efb525af02b7786
- https://github.com/relan/exfat/issues/5
- https://security.gentoo.org/glsa/201612-31
Affected products (1)
- cpe:2.3:a:exfat_project:exfat:*:*:*:*:*:*:*:*
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