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Vulnerability record · CVE-2005-3862 · published 29 November 2005

CVE-2005-3862: Unalz vulnerability

UUnalz · Unalz

Buffer overflow in unalz before 0.53 allows remote attackers to execute arbitrary code via long file names in ALZ archives.

7.5 CVSS 2.0 High EPSS 20% · top 2.6%
7.5CVSS 2.0 base score
20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
18References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Buffer overflow in unalz before 0.53 allows remote attackers to execute arbitrary code via long file names in ALZ archives.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

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

References

LinkTags
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=340842 Vendor Advisory
http://secunia.com/advisories/17774 PatchVendor Advisory
http://secunia.com/advisories/18665
http://www.debian.org/security/2006/dsa-959
http://www.kipple.pe.kr/win/unalz/
http://www.osvdb.org/21160
http://www.securityfocus.com/bid/15577 ExploitPatch
http://www.vupen.com/english/advisories/2005/2604
https://exchange.xforce.ibmcloud.com/vulnerabilities/23267
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=340842 Vendor Advisory
http://secunia.com/advisories/17774 PatchVendor Advisory
http://secunia.com/advisories/18665
http://www.debian.org/security/2006/dsa-959
http://www.kipple.pe.kr/win/unalz/
http://www.osvdb.org/21160
http://www.securityfocus.com/bid/15577 ExploitPatch
http://www.vupen.com/english/advisories/2005/2604
https://exchange.xforce.ibmcloud.com/vulnerabilities/23267

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Related vulnerabilities

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

2.6CVE-2006-0950Unalz path traversal vulnerabilityunalz 0.53 allows user-assisted attackers to overwrite arbitrary files via an ALZ archive with ".." (dot dot) sequences in a filename.EPSS 1.7%

Source: NIST National Vulnerability Database (record CVE-2005-3862), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.