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Vulnerability record · CVE-2018-5196 · published 21 December 2018

CVE-2018-5196: Estsoft alzip out-of-bounds write vulnerability

Estsoft · Alzip

Alzip 10.76.0.0 and earlier is vulnerable to a stack overflow caused by improper bounds checking. By persuading a victim to open a specially-crafted LZH archive file, a attacker could execute arbitrary code execution.

7.8 CVSS 3.0 High EPSS 1.4% · top 27.9% CWE-787 · Out-of-bounds write
7.8CVSS 3.0 base score, v2 6.8
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Alzip 10.76.0.0 and earlier is vulnerable to a stack overflow caused by improper bounds checking. By persuading a victim to open a specially-crafted LZH archive file, a attacker could execute arbitrary code execution.

CVSS:3.0/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/Support/Notice_Contents.aspx?idx=1677&page=2&t= Vendor Advisory
https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=27688 Third Party Advisory
https://www.altools.co.kr/Support/Notice_Contents.aspx?idx=1677&page=2&t= Vendor Advisory
https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=27688 Third Party Advisory

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Related vulnerabilities

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

9.3CVE-2011-1336Estsoft alzip memory buffer overflow vulnerabilityBuffer overflow in ALZip 8.21 and earlier allows remote attackers to execute arbitrary code via a crafted mim file.EPSS 5.5%7.8CVE-2019-12807Estsoft alzip memory buffer overflow vulnerabilityAlzip 10.83 and earlier version contains a stack-based buffer overflow vulnerability, caused by improper bounds checking during the parsing of crafte…EPSS 1.6%7.8CVE-2018-10027Estsoft alzip untrusted search path vulnerabilityESTsoft ALZip before 10.76 allows local users to execute arbitrary code via creating a malicious .DLL file and installing it in a specific directory:…EPSS 0.43%7.8CVE-2017-11323Estsoft alzip memory buffer overflow vulnerabilityStack-based buffer overflow in ESTsoft ALZip 8.51 and earlier allows remote attackers to execute arbitrary code via a crafted MS-DOS device file, as …EPSS 3.0%5.1CVE-2005-3194Estsoft alzip vulnerabilityMultiple buffer overflows in ALZip 6.12 (Korean), 6.1 (International), and 5.52 (English) allow remote attackers to execute arbitrary code via a long…EPSS 3.1%8.8CVE-2026-53266Linux kernel ebtables SNAT out-of-bounds write in ARP rewriteThe ebtables SNAT target rewrites the ARP sender hardware address via skb_store_bits() without first making that range writable. When the ARP SHA byt…KEVEPSS 0.65%analysed8.8CVE-2026-87491Google Chrome V8 out-of-bounds write enables sandbox code executionChrome before 153.0.8010.36 contains an out-of-bounds write in the V8 JavaScript engine. A crafted HTML page can trigger the memory corruption, and b…KEVEPSS 3.1%analysed9.8CVE-2025-25249Fortinet FortiOS and FortiSwitchManager heap buffer overflow via crafted packetsA heap-based buffer overflow (CWE-122/CWE-787) in Fortinet FortiOS 6.4 through 7.6.3 and FortiSwitchManager 7.0 through 7.2.6 lets an unauthenticated…KEVEPSS 3.9%analysed

Source: NIST National Vulnerability Database (record CVE-2018-5196), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.