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

VendorProductVersions
n/an/an/a
n/an/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"

The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart

References

  • x_refsource_MISC
  • DSA-4998 vendor-advisoryx_refsource_DEBIAN
Look up in the Resolve Platform →
$ Lookup Community · 50/day Open Lookup ›