Medium severity6.6NVD Advisory· Published May 5, 2022· Updated Jun 17, 2026

CVE-2021-38423

Description

All versions of GurumDDS improperly calculate the size to be used when allocating the buffer, which may result in a buffer overflow.

Gurum/GurumDDSllm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- cpe:2.3:a:gurum:gurumdds:*:*:*:*:*:*:*:*
GurumNetworks/GurumDDSv5
Range: all versions

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MediumCVSS v3.1

6.6/ 10

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

Probability of exploitation in the next 30 days.

1.28%

Composite of severity, exploitation, and reach.

0.43medium

CVE-2021-38423

FM
Federico Maggi (Trend Micro Research), Ta-Lun Yen, and Chizuru Toyama (TXOne Networks, Trend Micro) reported these vulnerabilities to CISA. In addition, Patrick Kuo, Mars Cheng (TXOne Networks, Trend Micro), Víctor Mayoral-Vilches (Alias Robotics), and Erik Boasson (ADLINK Technology) also contributed to this research.
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