Bandisoft ARK Library buffer overflow vulnerability

published 2022-06-01 4y ago modified 2026-06-17 4mo ago also EUVD-2021-13429

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits: 0; none known

In the code that verifies the file size in the ark library, it is possible to manipulate the offset read from the target file due to the wrong use of the data type. An attacker could use this vulnerability to cause a stack buffer overflow and as a result, perform an attack such as remote code execution.

Patch / fix

fixed in 1

bandisoft ark_library 7.17

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Exploit prediction

1.23% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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

Affected products

Bandisoft International Inc. ark library

Classification

Weakness

CWE-121 Stack-based Buffer Overflow
CWE-843 Access of Resource Using Incompatible Type

References

krcert.or.kr /krcert/secNoticeView.do?bulletin_writing_sequence=66747
broken-link, third-party-advisory

Sources

CVE List CVE-2021-26635
NVD CVE-2021-26635

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