Altair HyperView Player versions 2021.1.0.27 and prior perform operations on a memory buffer but can read from or write to a memory location outside of the intended boundary of the buffer. This hits initially as a read access violation, leading to a memory corruption situation.
Severity
CVSS 3.1
7.8 high
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-31)