CVE-2015-8026

high
Published 2017-03-27 · Modified 2026-05-13
CVSS v3
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2
6.8
VIR risk
7.8

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.

Predictions

Exploit likelihood
75%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-8026

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://security.gentoo.org/glsa/201612-31

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/relan/exfat/issues/5

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/relan/exfat/commit/2e86ae5f81da11f11673d0546efb525af02b7786

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://www.openwall.com/lists/oss-security/2015/10/29/13

OS impact

OSVersionStatusFixed in
debian debianbullseyefixed1.2.1-1
debian debianbookwormfixed1.2.1-1
debian debianforkyfixed1.2.1-1
debian debiansidfixed1.2.1-1
debian debiantrixiefixed1.2.1-1

Application impact

VendorProductVersionsFixed
exfat_projectexfat{"endIncluding":"1.2.0"}

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.