CVE-2021-23172
A vulnerability was found in SoX, where a heap-buffer-overflow occurs in function startread() in hcom.c file.
Does this matter?
Lower severity and a low EPSS score (0.46%). Track it; it rarely justifies an emergency change on its own.
Description
A vulnerability was found in SoX, where a heap-buffer-overflow occurs in function startread() in hcom.c file. The vulnerability is exploitable with a crafted hcomn file, that could cause an application to crash.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.46% probability · 40th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-120, CWE-787
- Affected
- sound exchange project/sound exchange
- Source
- secalert@redhat.com
EPSS 0.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://access.redhat.com/security/cve/CVE-2021-23172Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1975666Issue Tracking, Third Party Advisory
- https://security.archlinux.org/CVE-2021-23172Third Party Advisory
- https://sourceforge.net/p/sox/bugs/350/Exploit, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-23172Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1975666Issue Tracking, Third Party Advisory
- https://security.archlinux.org/CVE-2021-23172Third Party Advisory
- https://sourceforge.net/p/sox/bugs/350/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.