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    CVE-2021-40426

    A heap-based buffer overflow vulnerability exists in the sphere.c start_read() functionality of Sound Exchange libsox 14.4.2 and master commit 42b3557e. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

    Published:Apr 14, 2022
    Last Modified:Jun 24, 2025
    EPS:Apr 14, 2022
    EPSS Score:0.00109
    CVSS Score:8.8

    Affected Products

    Vendor
    Sound Exchange Project
    Product
    Sound Exchange

    Exploits

    https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434https://talosintelligence.com/vulnerability_reports/TALOS-2021-1434

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2023-32627 (CVSS 6.2) — A floating point exception vulnerability was found in sox, in the read_samples function at sox/src/voc.c:334:1…
    CVE-2023-26590 (CVSS 6.2) — A floating point exception vulnerability was found in sox, in the lsx_aiffstartwrite function at sox/src/aiff.…
    CVE-2023-34318 (CVSS 7.8) — A heap buffer overflow vulnerability was found in sox, in the startread function at sox/src/hcom.c:160:41. Thi…
    CVE-2023-34432 (CVSS 7.8) — A heap buffer overflow vulnerability was found in sox, in the lsx_readbuf function at sox/src/formats_i.c:98:1…
    CVE-2022-31650 (CVSS 5.5) — In SoX 14.4.2, there is a floating-point exception in lsx_aiffstartwrite in aiff.c in libsox.a.…
    CVE-2022-31651 (CVSS 5.5) — In SoX 14.4.2, there is an assertion failure in rate_init in rate.c in libsox.a.…
    CVE-2021-3643 (CVSS 9.1) — A flaw was found in sox 14.4.1. The lsx_adpcm_init function within libsox leads to a global-buffer-overflow. T…
    CVE-2021-23210 (CVSS 5.5) — A floating point exception (divide-by-zero) issue was discovered in SoX in functon read_samples() of voc.c fil…
    CVE-2021-23172 (CVSS 5.5) — A vulnerability was found in SoX, where a heap-buffer-overflow occurs in function startread() in hcom.c file. …
    CVE-2021-23159 (CVSS 5.5) — A vulnerability was found in SoX, where a heap-buffer-overflow occurs in function lsx_read_w_buf() in formats_…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High