NetBSD/OpenBSD TCP Server select/accept denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.7 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in NetBSD and OpenBSD. The impacted element is the function select/accept of the component TCP Server. Performing a manipulation results in denial of service.
This vulnerability is known as CVE-1999-0396. No exploit is available.
Details
A vulnerability was found in NetBSD and OpenBSD (Operating System) (affected version unknown). It has been classified as problematic. This affects the function select/accept of the component TCP Server. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:
A race condition between the select() and accept() calls in NetBSD TCP servers allows remote attackers to cause a denial of service.
The weakness was published 02/17/1999. This vulnerability is uniquely identified as CVE-1999-0396. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, 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.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.7VulDB Meta Temp Score: 3.7
VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
02/17/1999 🔍02/17/1999 🔍
06/20/2014 🔍
04/18/2026 🔍
Sources
Status: Not definedCVE: CVE-1999-0396 (🔍)
GCVE (CVE): GCVE-0-1999-0396
GCVE (VulDB): GCVE-100-14505
Entry
Created: 06/20/2014 16:49Updated: 04/18/2026 13:48
Changes: 06/20/2014 16:49 (33), 04/04/2019 10:09 (10), 04/18/2026 13:48 (16)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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