CVE-2015-8026 json
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…
published 2017-03-27 9 y ago modified 2026-06-17 4 mo ago also EUVD-2015-7921
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.5%
- EPSS 4.5% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
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.
Patch / fix
- fuse-exfat Debian 14, Debian 13, Debian 12 1.2.1-1
debian advisories DEBIAN-CVE-2015-8026
- github.com/relan/exfat@2e86ae5 commit
- security.gentoo.org/glsa/201612-31 advisory
- github.com/relan/exfat/issues/5 advisory
- openwall.com/lists/oss-security/2015/10/29/13 advisory
Exploit prediction
4.45% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
github.com
/relan/exfat/commit/2e86ae5f81da11f11673d0546efb525af02b7786
issue-tracking, patch, third-party-advisory
-
security.gentoo.org
/glsa/201612-31
vendor-advisory, patch, third-party-advisory, vdb-entry
-
github.com
/relan/exfat/issues/5
issue-tracking, patch, third-party-advisory
-
openwall.com
/lists/oss-security/2015/10/29/13
mailing-list, patch, third-party-advisory
-
blog.fuzzing-project.org
/25-Heap-overflow-and-endless-loop-in-exfatfsck-exfat-utils.html
third-party-advisory
-
securityfocus.com
/bid/77307
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2015-8026
- NVD CVE-2015-8026
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.