CVE-2019-13312

CVE-2019-13312 is a high-severity vulnerability in Ffmpeg with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Description

block_cmp() in libavcodec/zmbvenc.c in FFmpeg 4.1.3 has a heap-based buffer over-read.

Frequently asked questions

What is CVE-2019-13312?
block_cmp() in libavcodec/zmbvenc.c in FFmpeg 4.1.3 has a heap-based buffer over-read.
How severe is CVE-2019-13312?
CVE-2019-13312 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-13312 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-13312?
CVE-2019-13312 affects Ffmpeg. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-13312?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-13312 published?
CVE-2019-13312 was published on 2019-07-05 and last updated on 2026-06-17.

References

Affected products (1)

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