VULNERABILITY INTELLIGENCE
CVE-2021-26635
CVSS score7.8 HIGH
EPSS probability1.23%
CISA KEVNot currently listed
Published2022-06-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Description
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.
Weakness classification
- vuln@krcert.or.kr: CWE-121
- nvd@nist.gov: CWE-843
Primary references
- vuln@krcert.or.kr — Broken Link, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Third Party Advisory