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CVE Record

CVE-2021-34185: Miniaudio 0.10.35 has an integer-based buffer overflow caused by an out-of-bounds left shift in drwav_bytes...

Miniaudio 0.10.35 has an integer-based buffer overflow caused by an out-of-bounds left shift in drwav_bytes_to_u32 in miniaudio.h

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This CVE describes a buffer overflow risk in Miniaudio 0.10.35, a small audio library that applications may embed directly. The source bundle does not provide a CVSS score, confirmed impact, or fixed version. Business urgency depends on whether your software uses this exact embedded library version and processes untrusted audio content.

Executive priority

Treat this as a targeted dependency exposure check, not an automatic emergency. Escalate if Miniaudio 0.10.35 is embedded in products that process untrusted audio, because the listed flaw is memory-safety related and source details are incomplete.

Technical view

Miniaudio 0.10.35 is reported to have an integer-based buffer overflow caused by an out-of-bounds left shift in drwav_bytes_to_u32 within miniaudio.h. The bundle names no CWE, CVSS vector, patch version, exploitability details, or affected downstream products.

Likely exposure

Exposure is most likely in applications that vendor or compile Miniaudio 0.10.35, especially where the affected audio parsing path is reachable. The bundle does not identify packaged products, CPEs, platforms, or downstream distributions.

Exploitation context

The bundle marks KEV as false and provides no cited evidence of active exploitation. A public GitHub issue is referenced, but the provided sources do not establish exploit maturity, real-world attacks, or reliable impact.

Researcher notes

The available record is sparse: no CVSS, CWE, CPE, patch version, or exploit analysis is included. Avoid broad product claims. Validate exposure by source inspection because Miniaudio is often vendored as a header rather than declared as a package dependency.

Mitigation direction

  • Inventory applications that vendor or compile Miniaudio 0.10.35.
  • Check upstream GitHub and CVE records for fixed-version guidance.
  • Upgrade Miniaudio only to a vendor-confirmed fixed release when identified.
  • Reduce handling of untrusted audio inputs until remediation is confirmed.
  • Prioritize exposed products where user-supplied audio reaches Miniaudio parsing.

Validation and detection

  • Search codebases and SBOMs for Miniaudio 0.10.35 and miniaudio.h.
  • Confirm whether drwav_bytes_to_u32 exists in the vendored header.
  • Map all routes where user-supplied audio reaches the library.
  • Review upstream issue status for maintainer-confirmed remediation details.
  • Add regression coverage if your product maintains audio parsing tests.
Prepared
Confidence
medium
Sources
3

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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ATT&CK lookup starting points

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CVE-2021-34185 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
2Source 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.