Vuln Signal Radar
public-safe defensive signal
MEDIUMpublic-safe

CVE-2026-88386

NVD: libsndfile 1.2.2 contains a misaligned memory access issue in psf_binheader_readf() while parsing WAV fmt chunks. NVD: A specially crafted WAV file can cause the function to cast an unaligned destination address to unsigned int * and perform a 4-byte store. NVD: This results in undefined behavior leading to denial of service.

CVSS
5.5
Severity
MEDIUM
EPSS
0.0010 (1)
KEV
-

Source-published summary

NVD: libsndfile 1.2.2 contains a misaligned memory access issue in psf_binheader_readf() while parsing WAV fmt chunks. NVD: A specially crafted WAV file can cause the function to cast an unaligned destination address to unsigned int * and perform a 4-byte store. NVD: This results in undefined behavior leading to denial of service.

Possible impact

Source describes service availability risk. Possible impact: The affected service may become unavailable or unreliable.

Affected context

Affected product or version requires source confirmation.

Remediation / advisory

Remediation reference present; patch status requires confirmation in the linked advisory.

Why it matters

Source describes service availability risk. Possible impact: The affected service may become unavailable or unreliable.; CVSS 5.5 (MEDIUM); EPSS percentile 1; not listed in KEV; Remediation reference present; patch status requires confirmation in the linked advisory; sources: NVD, OSV.

What to verify

Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.

Exposure hint

exposure unknown

Impact tags

service availability review

Urgency reasons

vendor advisory presentrecent update

Source-derived note

Summary derived from NVD / OSV description; unsafe procedural detail is not shown.

Redaction metadata

source summary used
True
fallback summary used
False
unsafe procedural detail present
false
raw source displayed
false
public summary redacted
true

Remediation handoff

Public-safe static handoff for human/Codex remediation planning. Scan, patch, external execution, and auto remediation are disabled.

Safety note

This radar shows source-published defensive context only. Exploit procedures, exploit strings, scanner commands, and auto-remediation are not provided.

Official references