What’s Vulnerable › Vulnerabilities

CVE-2013-7013

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2013-12-09 · updated 2026-06-17
• Weakness: CWE-189

Description

The g2m_init_buffers function in libavcodec/g2meet.c in FFmpeg before 2.1 uses an incorrect ordering of arithmetic operations, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted Go2Webinar data.

Affected products

• FFmpeg: through 2.0.1; 0.3, 0.3.1, 0.3.2, 0.3.3, 0.3.4, 0.4.0 (+57)

References

• http://ffmpeg.org/security.html
• http://openwall.com/lists/oss-security/2013/11/26/7
• http://openwall.com/lists/oss-security/2013/12/08/3
• https://github.com/FFmpeg/FFmpeg/commit/821a5938d100458f4d09d634041b05c860554ce0
• https://security.gentoo.org/glsa/201603-06
• https://trac.ffmpeg.org/ticket/2922
• http://ffmpeg.org/security.html
• http://openwall.com/lists/oss-security/2013/11/26/7
• http://openwall.com/lists/oss-security/2013/12/08/3
• https://github.com/FFmpeg/FFmpeg/commit/821a5938d100458f4d09d634041b05c860554ce0
• https://security.gentoo.org/glsa/201603-06
• https://trac.ffmpeg.org/ticket/2922

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