What’s Vulnerable › Vulnerabilities

CVE-2014-7221

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 11.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-01-08 · updated 2026-06-17
• Weakness: CWE-119

Description

TeamSpeak Client 3.0.14 and earlier allows remote authenticated users to cause a denial of service (buffer overflow and application crash) by connecting to a channel with a different client instance, and placing crafted data in the Chat/Server tab containing [img]//http:// substrings.

Affected products

• Teamspeak3: through 3.0.14

References

• http://r4p3.net/forum/reverse-engineering/38/teamspeak-3-exploit-bb-code-freeze-crash-not-responding/905
• http://r4p3.net/public/ts3bbcodefreeze.txt
• http://www.securityfocus.com/bid/70219
• https://exchange.xforce.ibmcloud.com/vulnerabilities/96889
• https://packetstormsecurity.com/files/128571/TeamSpeak-Client-3.0.14-Buffer-Overflow.html
• http://r4p3.net/forum/reverse-engineering/38/teamspeak-3-exploit-bb-code-freeze-crash-not-responding/905
• http://r4p3.net/public/ts3bbcodefreeze.txt
• http://www.securityfocus.com/bid/70219
• https://exchange.xforce.ibmcloud.com/vulnerabilities/96889
• https://packetstormsecurity.com/files/128571/TeamSpeak-Client-3.0.14-Buffer-Overflow.html

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