What’s Vulnerable › Vulnerabilities

CVE-2013-6934

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 28.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2014-01-23 · updated 2026-06-17
• Weakness: CWE-189

Description

The parseRTSPRequestString function in Live Networks Live555 Streaming Media 2013.11.26, as used in VideoLAN VLC Media Player, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a space character at the beginning of an RTSP message, which triggers an integer underflow, infinite loop, and buffer overflow. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-6933.

Affected products

• Live555 Streaming Media: 2013-11-26
• VideoLAN VLC: before 2.1.0 — fixed in 2.1.0

How to fix

Upgrade to a fixed version: VideoLAN VLC 2.1.0. Check the vendor advisory for mitigations.

References

• http://isecpartners.github.io/fuzzing/vulnerabilities/2013/12/30/vlc-vulnerability.html
• http://www.live555.com/liveMedia/public/changelog.txt
• http://www.securityfocus.com/bid/65139
• http://isecpartners.github.io/fuzzing/vulnerabilities/2013/12/30/vlc-vulnerability.html
• http://www.live555.com/liveMedia/public/changelog.txt
• http://www.securityfocus.com/bid/65139

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