What’s Vulnerable › Vulnerabilities

CVE-2020-35964

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-01-03 · updated 2026-06-17
• Weakness: CWE-787

Description

track_header in libavformat/vividas.c in FFmpeg 4.3.1 has an out-of-bounds write because of incorrect extradata packing.

Affected products

• FFmpeg: 4.3.1

References

• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26622
• https://github.com/FFmpeg/FFmpeg/commit/27a99e2c7d450fef15594671eef4465c8a166bd7
• https://security.gentoo.org/glsa/202105-24
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26622
• https://github.com/FFmpeg/FFmpeg/commit/27a99e2c7d450fef15594671eef4465c8a166bd7
• https://security.gentoo.org/glsa/202105-24

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