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CRITICAL

CVE-2021-40589

CVSS v3

9.8

CRITICAL

EPSS Score

1.2 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

ZAngband zangband-data 2.7.5 is affected by an integer underflow vulnerability in src/tk/plat.c through the variable fileheader.bfOffBits.

Technical details

Published
2022-06-08

Frequently asked questions

What is CVE-2021-40589?

ZAngband zangband-data 2.7.5 is affected by an integer underflow vulnerability in src/tk/plat.c through the variable fileheader.bfOffBits.

Is CVE-2021-40589 actively exploited?

Active exploitation of CVE-2021-40589 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-40589?

CVE-2021-40589 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-40589 affecting your environment?

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