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CVE Record

CVE-2020-22032: A heap-based Buffer Overflow vulnerability exists FFmpeg 4.2 at libavfilter/vf_edgedetect.c in gaussian_blu...

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

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2020-22032 is a reported FFmpeg 4.2 memory-safety flaw in the edge-detection video filter. If exposed to crafted media, FFmpeg could corrupt heap memory. The public bundle does not prove active exploitation or define business impact beyond potential memory corruption.

Executive priority

Treat as a targeted update priority for media-processing systems, especially upload pipelines. For environments without FFmpeg or untrusted media processing, urgency is lower but inventory confirmation is still needed.

Technical view

The CVE describes a heap-based buffer overflow in libavfilter/vf_edgedetect.c, specifically gaussian_blur, in FFmpeg 4.2. The likely consequence is memory corruption. No CVSS vector, complete affected-product matrix, or detailed remediation text is provided in the CVE bundle, though Debian issued FFmpeg security updates.

Likely exposure

Exposure is most relevant where FFmpeg 4.2, or distro packages containing the vulnerable code, process untrusted or externally supplied media. The bundle does not identify all affected downstream products or backported package versions.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation. Risk depends on whether attackers can supply media to FFmpeg workflows that invoke the affected edge-detect filter path.

Researcher notes

Evidence is limited: the CVE names FFmpeg 4.2 and a source file/function, but omits CVSS and complete affected-version detail. Debian advisories confirm security updates, but the prompt bundle does not include patch identifiers or exploit evidence.

Mitigation direction

  • Apply FFmpeg security updates from your OS vendor or FFmpeg distribution channel.
  • Prioritize systems processing untrusted or user-uploaded media.
  • Check Debian DLA-2742-1 and DSA-4990 guidance for Debian-managed systems.
  • Reduce untrusted media processing until patched, where operationally feasible.
  • Track vendor advisories for embedded FFmpeg copies in applications.

Validation and detection

  • Inventory FFmpeg versions and package sources across servers, containers, and workstations.
  • Check SBOMs and bundled application dependencies for embedded FFmpeg 4.2 code.
  • Verify Debian hosts received the relevant FFmpeg security update packages.
  • Identify workflows accepting external media and using FFmpeg filters.
  • Document compensating controls if updates are unavailable.
Prepared
Confidence
medium
Sources
6

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2020-22032 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.