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    CVE-2021-33844

    A floating point exception (divide-by-zero) issue was discovered in SoX in functon startread() of wav.c file. An attacker with a crafted wav file, could cause an application to crash.

    Published:Apr 20, 2021
    Last Modified:Jun 27, 2025
    EPS:Aug 25, 2022
    EPSS Score:0.00043
    CVSS Score:5.5

    Affected Products

    Vendor
    Sound Exchange Project
    Product
    Sound Exchange

    Exploits

    https://sourceforge.net/p/sox/bugs/349/https://sourceforge.net/p/sox/bugs/349/

    Common Weakness Enumeration

    CWE-369 Divide By Zero

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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-2021-40426 (CVSS 8.8) — A heap-based buffer overflow vulnerability exists in the sphere.c start_read() functionality of Sound Exchange…
    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. …

    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