What’s Vulnerable › Vulnerabilities

CVE-2004-2486

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2004-12-31 · updated 2026-06-16

Description

The DSS verification code in Dropbear SSH Server before 0.43 frees uninitialized variables, which might allow remote attackers to gain access.

Affected products

• [UNKNOWN] dropbear: before 0.43 — fixed in 0.43

How to fix

Upgrade to a fixed version: [UNKNOWN] dropbear 0.43. Check the vendor advisory for mitigations.

References

• http://matt.ucc.asn.au/dropbear/CHANGES
• http://secunia.com/advisories/12153
• http://secunia.com/advisories/28935
• http://www.cisco.com/en/US/products/products_security_advisory09186a0080949c7a.shtml
• http://www.osvdb.org/8137
• http://www.securityfocus.com/bid/10803
• http://www.vupen.com/english/advisories/2008/0543
• https://exchange.xforce.ibmcloud.com/vulnerabilities/16810
• https://exchange.xforce.ibmcloud.com/vulnerabilities/40490
• http://matt.ucc.asn.au/dropbear/CHANGES
• http://secunia.com/advisories/12153
• http://secunia.com/advisories/28935

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