What’s Vulnerable › Vulnerabilities

CVE-1999-1226

• Severity: low (CVSS 2.6 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 1999-10-28 · updated 2026-06-16

Description

Netscape Communicator 4.7 and earlier allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long certificate key.

Affected products

• Netscape Communicator: through 4.7

References

• http://www.securiteam.com/exploits/Netscape_4_7_and_earlier_vulnerable_to__Huge_Key__DoS.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/3436
• http://www.securiteam.com/exploits/Netscape_4_7_and_earlier_vulnerable_to__Huge_Key__DoS.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/3436

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