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Vulnerability record · CVE-2004-0826 · published 31 December 2004

CVE-2004-0826: Mozilla network security services vulnerability

Mozilla · Network Security Services

Heap-based buffer overflow in Netscape Network Security Services (NSS) library allows remote attackers to execute arbitrary code via a modified record length field in an SSLv2 client hello message.

7.5 CVSS 2.0 High EPSS 23% · top 2.4%
7.5CVSS 2.0 base score
23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
10Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in Netscape Network Security Services (NSS) library allows remote attackers to execute arbitrary code via a modified record length field in an SSLv2 client hello message.

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

Affected products

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

References

LinkTags
http://marc.info/?l=bugtraq&m=109351293827731&w=2
http://www.securityfocus.com/bid/11015 Patch
http://xforce.iss.net/xforce/alerts/id/180 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/16314
http://marc.info/?l=bugtraq&m=109351293827731&w=2
http://www.securityfocus.com/bid/11015 Patch
http://xforce.iss.net/xforce/alerts/id/180 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/16314

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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-2004-0826), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.