Security readout for executives and security teams
CVE-2021-39282 is a reported memory leak in Live555's AC3 audio parsing code when handling AC3 files. Business impact is most likely service instability or resource exhaustion in products that process untrusted AC3 media through affected Live555 code. The source bundle does not provide a CVSS score, affected CPEs, or confirmed exploitation. Likely exposure is limited to software or appliances embedding Live555 through 1.08 and parsing AC3 files. Systems that never process AC3 content, or do not expose media ingestion to untrusted users, have lower practical exposure. The source bundle does not list downstream affected products. Treat this as a targeted availability risk, not a confirmed emergency. Prioritize asset discovery and vendor confirmation where Live555 handles user-supplied media, especially in internet-facing media services or embedded streaming products. Mitigation focus: Inventory applications and appliances that embed Live555 media libraries.; Identify whether those deployments process AC3 files from untrusted sources.; Review Live555 vendor changelog and guidance for fixed release details..
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
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CVE-2021-39282 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
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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
Products and packages named in the record
CWE details
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