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Vulnerability record · CVE-2019-12807 · published 13 August 2019

CVE-2019-12807: Estsoft alzip memory buffer overflow vulnerability

Estsoft · Alzip

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.

7.8 CVSS 3.1 High EPSS 1.6% · top 24.9% CWE-119 · Memory buffer overflowCWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score, v2 6.8
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.altools.co.kr/Download/ALZip.aspx#n ProductVendor Advisory
https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35114 Third Party AdvisoryVDB Entry
https://www.altools.co.kr/Download/ALZip.aspx#n ProductVendor Advisory
https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35114 Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-12807), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.