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Back to active CVEs
Medium · CVSS 4.3CVE-2026-16473

Sbc: sbc: heap out-of-bounds read via crafted sbc audio frameCVE-2026-16473

Answer in brief

CVE-2026-16473 records a Medium severity (CVSS 4.3) vulnerability in Sbc: sbc: heap out-of-bounds read via crafted sbc audio frame. The current sources do not mark it as known exploited. The current feed maps Red Hat/sbc (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 22, 2026Updated Nov 5, 2026Source checked Nov 5, 2026First seen by HOL Nov 5, 2026Material review Nov 5, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Red Hat/sbc (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/sbcgeneric*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/sbc.
  2. 2Review the reported fix. Source-reported workaround: There is no practical mitigation short of disabling Bluetooth A2DP audio decoding entirely. The SBC codec is mandatory for A2DP and the decode path is invoked automatically on incoming Bluetooth audio streams.

Evidence timeline and material changes

  1. Published upstream

    Jul 22, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 5, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
  • Source referencegit.kernel.org
  • Source referencelore.kernel.org
Upstream source description

A flaw was found in the sbc library (BlueZ SBC codec). An off-by-one error in the SBC frame decoder allows a crafted audio payload to trigger a one-byte heap out-of-bounds read. This could allow an adjacent attacker streaming Bluetooth audio to read a single byte of adjacent heap memory.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • ASN1SCC: Out-of-bounds read via unvalidated character index in ASN.1 string decodersAlso CWE-125
  • ASN1SCC: Stack buffer overflow and out-of-bounds read in XER tokenizer NT()Also CWE-125

Record context

Vulnerability class
Buffer Overflow
EPSS
Not reported
CWE IDs
CWE-125
Source
CVE List V5
Source checked
Nov 5, 2026
References
4 linked sources
Open source record