Security readout for executives and security teams
Plain-English summary
CVE-2019-20160 is a reported memory-safety flaw in GPAC versions 0.8.0 and 0.9.0-development-20191109. The issue affects AV1 parsing code and could matter where GPAC processes media supplied by users or outside parties. The sources do not provide a CVSS score, confirmed impact, fixed version, or active exploitation evidence.
Executive priority
Treat this as an inventory and exposure-control item unless affected GPAC builds process untrusted media. Escalate priority for upload, transcoding, scanning, or media-analysis services using the named versions.
Technical view
The CVE describes a stack-based buffer overflow in av1_parse_tile_group() in GPAC media_tools/av_parsers.c. The affected versions named in the description are GPAC 0.8.0 and 0.9.0-development-20191109. Available source data does not include exploitability details, crash scope, code execution confirmation, or remediation commit information.
Likely exposure
Exposure is most likely in applications, services, build pipelines, or analysis tools that embed or invoke the named GPAC versions to parse AV1 media. Evidence is insufficient to claim broader product impact beyond GPAC versions named in the CVE description.
Exploitation context
The source bundle does not show CISA KEV listing or any cited evidence of active exploitation. Because the issue is in a media parser, risk is most relevant when untrusted or user-supplied media files are processed.
Researcher notes
The record lacks CVSS, CWE mapping, affected CPEs, fixed version, and confirmed exploitation data. Analysis should stay tied to the described function and versions until GPAC issue details or maintainer advisories provide stronger evidence.
Mitigation direction
- Inventory systems using GPAC 0.8.0 or the named development build.
- Check GPAC project guidance for a fixed release or patch reference.
- Avoid processing untrusted AV1 media with affected GPAC builds.
- Run media parsing workloads with least privilege and isolation where feasible.
Validation and detection
- Confirm GPAC version strings on hosts, containers, and bundled application dependencies.
- Review media-processing paths for AV1 input handled by GPAC.
- Check the referenced GPAC issue for project-maintainer remediation details.
- Verify no internet-facing upload or conversion workflow uses affected builds.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-20160 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/gpac/gpac/issues/1334CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.