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Vulnerability record · CVE-2004-0947 · published 9 February 2005

CVE-2004-0947: Arj software inc. unarj vulnerability

AArj Software Inc. · Unarj

Buffer overflow in unarj before 2.63a-r2 allows remote attackers to execute arbitrary code via an arj archive that contains long filenames.

10.0 CVSS 2.0 High EPSS 7.4% · top 5.8%
10.0CVSS 2.0 base score
7.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

Buffer overflow in unarj before 2.63a-r2 allows remote attackers to execute arbitrary code via an arj archive that contains long filenames.

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

Affected products

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

References

LinkTags
http://lwn.net/Articles/121827/
http://www.debian.org/security/2005/dsa-652
http://www.gentoo.org/security/en/glsa/glsa-200411-29.xml PatchVendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-007.html
http://www.securityfocus.com/bid/11665 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/18044
http://lwn.net/Articles/121827/
http://www.debian.org/security/2005/dsa-652
http://www.gentoo.org/security/en/glsa/glsa-200411-29.xml PatchVendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-007.html
http://www.securityfocus.com/bid/11665 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/18044

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

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Source: NIST National Vulnerability Database (record CVE-2004-0947), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.