Security readout for executives and security teams
Plain-English summary
CVE-2021-30014 is an integer overflow in GPAC's HEVC parsing code that can make the application crash. The documented impact is availability loss, not data theft or code execution. Organizations are mainly exposed where GPAC processes HEVC media from untrusted or external sources.
Executive priority
Treat this as a targeted availability risk for media-processing environments, not a broad enterprise emergency. Patch or isolate exposed GPAC-based HEVC processing, especially customer-facing upload or transcoding workflows.
Technical view
The issue is in GPAC media_tools/av_parsers.c, specifically hevc_parse_slice_segment, affecting GPAC v0.9.0-preview through 1.0.1. The CVE states the integer overflow results in a crash. A related upstream commit is referenced, but the bundle does not provide CVSS, CWE, release-note, or exploitability detail.
Likely exposure
Exposure is likely limited to systems, services, pipelines, or products embedding GPAC versions v0.9.0-preview through 1.0.1 and parsing HEVC media. Risk is higher if files are supplied by customers, partners, uploads, crawlers, or automated media workflows.
Exploitation context
The source bundle does not show active exploitation, and the CVE is not marked KEV. Public references include a GitHub issue and fix commit, but no cited source here establishes weaponized exploitation or impact beyond a crash.
Researcher notes
Evidence is narrow: vulnerable function, affected version range, crash outcome, issue reference, and fixing commit. The bundle lacks CVSS, CWE, proof of exploitation, affected downstream products, and vendor release mapping, so avoid extrapolating beyond GPAC HEVC parsing crash risk.
Mitigation direction
- Inventory GPAC deployments and embedded GPAC libraries in media-processing systems.
- Prioritize systems that parse HEVC content from external or untrusted sources.
- Check GPAC upstream guidance and use a supported version containing the referenced fix.
- Restrict or isolate untrusted HEVC processing where immediate upgrade is not possible.
- Monitor crash telemetry for GPAC HEVC parser failures.
Validation and detection
- Confirm installed or embedded GPAC versions are outside v0.9.0-preview through 1.0.1.
- Verify whether commit 51cdb67ff7c5f1242ac58c5aa603ceaf1793b788 is present in source builds.
- Run existing parser regression tests for HEVC handling after updating GPAC.
- Review service logs for recurring GPAC crashes tied to HEVC media ingestion.
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-2021-30014 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
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.