CVE-2025-0577 MEDIUM

CVE-2025-0577: Glibc: vdso getrandom acceleration may return predictable randomness

Vendor Red Hat
Product Red Hat Enterprise Linux 10
Weakness CWE-331
Published February 18, 2026
Last update February 25, 2026
View on NVD All CVEs

CVSS base score

4.8/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

An insufficient entropy vulnerability was found in glibc. The getrandom and arc4random family of functions may return predictable randomness if these functions are called again after the fork, which happens concurrently with a call to any of these functions.

Key dates

02Disclosure timeline

February 18, 2026 CVE published
February 25, 2026 Record updated