CVE-2020-22035

HIGHNVD 8.88.8—

8.8

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in get_block_row at libavfilter/vf_bm3d.c, which might lead to memory corruption and other potential consequences.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 67.5%
KEV: Not listed

Published

June 1, 2021

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://trac.ffmpeg.org/ticket/8262
cve@mitrehttps://www.debian.org/security/2021/dsa-4990
af854a3a-2127-422b-91ae-364da2661108https://trac.ffmpeg.org/ticket/8262
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2021/dsa-4990

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-26 15:45 UTCEG score recompute
2026-05-26 15:45 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:48 UTCepss_batch

Frequently asked(5)

What is CVE-2020-22035?

CVE-2020-22035 is a high vulnerability published on June 1, 2021. A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in getblockrow at libavfilter/vf_bm3d.c, which might lead to memory corruption and other potential consequences.

When was CVE-2020-22035 disclosed?

CVE-2020-22035 was first published in the National Vulnerability Database on June 1, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-22035 actively exploited?

CVE-2020-22035 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 67.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-22035?

CVE-2020-22035 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2020-22035?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-22035, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-22035

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CVE-2020-22035

📅 Published

🔄 Last Modified

🔗 References (4)