What is CVE-2021-26623?

CVE-2021-26623 is a high-severity vulnerability in Bandisoft Bandizip, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2022-04-01.

How severe is CVE-2021-26623?

High severity. CVSS v3 base score is 7.8 out of 10.

Out-of-bounds Read in Bandisoft Bandizip

CVE-2021-26623

A remote code execution vulnerability due to incomplete check for 'xheader_decode_path_record' function's parameter length value in the ark library. Remote attackers can induce exploit malicious code using this function.

Vulnerability class: Buffer Overflow

Published 2022-04-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (65.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Bandisoft Bandizip
Bandisoft International Inc. Bandizip — versions unspecified
Microsoft Windows

Weakness classification (CWE)

References

www.krcert.or.kr/krcert/secNoticeView.do (Third Party Advisory)

Frequently asked questions

What is CVE-2021-26623?: CVE-2021-26623 is a high-severity vulnerability in Bandisoft Bandizip, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2022-04-01.
How severe is CVE-2021-26623?: High severity. CVSS v3 base score is 7.8 out of 10.