CVE-2005-3899

The automatic update feature in Google Talk allows remote attackers to cause a denial of service (CPU and memory consumption) by poisoning a target's DNS cache and causing a large update file to be sent, which consumes large amounts of CPU and memory during the signature verification, aka BenjiBug.

Published: 2005-11-29 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-3899 is rated Low Risk (39.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.82%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2005-3899

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.15% 0.82% -0.33%
2 2025-03-30 0.89% 1.15% +0.26%
3 2025-03-29 0.89%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-3899

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.4 2.0 MEDIUM
AV:N/AC:H/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
4.9 6.9 [email protected]

Weakness enumeration for CVE-2005-3899

Affected software / configurations for CVE-2005-3899

Vendor Product Version Raw CPE
google talk cpe:2.3:a:google:talk:*:*:*:*:*:*:*:*

References for CVE-2005-3899

cvelogic Threat Intelligence