CVE-2026-31789: Heap Buffer Overflow in Hexadecimal Conversion

Overview

Severity

Medium (CVSS 4.7)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Apr

Released

2026-04-09

EPSS Score

0.01% (percentile: 1.2%)

Affected Products (1)

Other

• 21168-17084

Revision History

• 2026-04-09: Information published.