What’s Vulnerable › Vulnerabilities

CVE-2005-0877

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2005-05-02 · updated 2026-06-16
• Weakness: CWE-346

Description

Dnsmasq before 2.21 allows remote attackers to poison the DNS cache via answers to queries that were not made by Dnsmasq.

Affected products

• Simon Kelley dnsmasq: before 2.21 — fixed in 2.21

How to fix

Upgrade to a fixed version: Simon Kelley dnsmasq 2.21. Check the vendor advisory for mitigations.

References

• http://secunia.com/advisories/14691
• http://www.securityfocus.com/bid/12897
• http://www.thekelleys.org.uk/dnsmasq/CHANGELOG
• https://exchange.xforce.ibmcloud.com/vulnerabilities/19826
• http://secunia.com/advisories/14691
• http://www.securityfocus.com/bid/12897
• http://www.thekelleys.org.uk/dnsmasq/CHANGELOG
• https://exchange.xforce.ibmcloud.com/vulnerabilities/19826

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