What is CVE-2019-12807?

CVE-2019-12807 is a high-severity vulnerability in Estsoft Alzip, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2019-08-13.

How severe is CVE-2019-12807?

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

Buffer overflow in Estsoft Alzip

CVE-2019-12807

Alzip 10.83 and earlier version contains a stack-based buffer overflow vulnerability, caused by improper bounds checking during the parsing of crafted ISO archive file format. By persuading a victim to open a specially-crafted ISO archive file, an attacker could execution arbitrary code.

Vulnerability class: Buffer Overflow

Published 2019-08-13 · 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: 0.016 (75.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Estsoft Alzip — versions 10.83
Microsoft Windows

Weakness classification (CWE)

References

www.boho.or.kr/krcert/secNoticeView.do (VDB Entry, Third Party Advisory)
www.altools.co.kr/Download/ALZip.aspx (Product, Vendor Advisory)

Frequently asked questions

What is CVE-2019-12807?: CVE-2019-12807 is a high-severity vulnerability in Estsoft Alzip, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2019-08-13.
How severe is CVE-2019-12807?: High severity. CVSS v3 base score is 7.8 out of 10.