CVE-2021-26603: bandisoft ARK library heap overflow vulnerability

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-09-09 · updated 2026-06-17
Weakness: CWE-122

Description

A heap overflow issue was found in ARK library of bandisoft Co., Ltd when the Ark_DigPathA function parsed a file path. This vulnerability is due to missing support for string length check.

Affected products

bandisoft ARK: before 7.13.0.3 — fixed in 7.13.0.3

How to fix

Upgrade to a fixed version: bandisoft ARK 7.13.0.3. Check the vendor advisory for mitigations.

References

https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36237
https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36237

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