What’s Vulnerable › Vulnerabilities

CVE-2015-8026

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-03-27 · updated 2026-06-17
• Weakness: CWE-119

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.

Affected products

• Exfat Project Exfat: through 1.2.0

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
• 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

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