VDB
CVE-2020-21688
CVE-2020-21688
PUBLISHED
Reported by mitre · Published August 10, 2021
A heap-use-after-free in the av_freep function in libavutil/mem.c of FFmpeg 4.2 allows attackers to execute arbitrary code.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
| n/a | n/a | * |
Timeline
- Aug 10, 2021 CVE Published
- Aug 11, 2021 EPSS Score (30 in total, the first dated here)
- Aug 4, 2024 CVE Updated
- Mar 6, 2026 Distribution Patch (3 in total, the first dated here)
- Mar 6, 2026 Security Advisory (5 in total, the first dated here)
- Sep 3, 2026 Coalition ESS Score
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2020-21688
vulnetix vdb fixes CVE-2020-21688
Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2020-21688/fixes/registry"
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References
- x_refsource_MISC
- DSA-4998 vendor-advisoryx_refsource_DEBIAN