Buffer overflow vulnerability in sniff_channel_order function in aacdec_template.c in ffmpeg 3.1.2, allows attackers to execute arbitrary code (local).
An official patch is available. Apply the patch as soon as possible.
CVSS v4.0 Metrics
Exploitability
Attack VectorLocal
ComplexityLow
RequirementsPresent
PrivilegesLow
User InteractionNone
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Patch StatusOfficial Patch
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | PoC | E: U→P | 4.4 → 6.4 |
| 2026-07-21 | nvd | AV: P→L, AC: H→L, PR: H→L, UI: A→N, VC: N→H, VI: N→H, VA: N→H | 0.0 → 4.4 |
| 2026-07-21 | nvd | patch: Unavailable→Official Patch | 0.0 → 0.0 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 0.0 |
Affected Software
| Vendor | Product | Version |
|---|
| ffmpeg | ffmpeg | 3.1.2 |
Published: 2021-03-30
