| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in SoX. This affects the function startread of the file hcom.c of the component hcomn File Handler. The manipulation results in heap-based overflow.
This vulnerability is identified as CVE-2021-23172. There is not any exploit available.
Details
A vulnerability, which was classified as critical, was found in SoX (the affected version unknown). Affected is the function startread of the file hcom.c of the component hcomn File Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
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.
The weakness was released 08/26/2022. The advisory is shared for download at access.redhat.com. This vulnerability is traded as CVE-2021-23172 since 06/04/2021. There are known technical details, but no exploit is available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.5
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
06/04/2021 🔍08/26/2022 🔍
08/26/2022 🔍
06/27/2025 🔍
Sources
Advisory: access.redhat.comStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2021-23172 (🔍)
GCVE (CVE): GCVE-0-2021-23172
GCVE (VulDB): GCVE-100-207336
Entry
Created: 08/26/2022 09:34Updated: 06/27/2025 21:53
Changes: 08/26/2022 09:34 (39), 10/02/2022 08:33 (9), 06/27/2025 21:53 (15)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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