CVE-2025-0577Insufficient Entropy in Glibc

Severity
4.8MEDIUMNVD
EPSS
0.0%
top 98.46%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedFeb 18

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:NExploitability: 2.2 | Impact: 2.5

Affected Packages1 packages

debiandebian/glibc

🔴Vulnerability Details

1
GHSA
GHSA-7qhw-4fcq-2g37: An insufficient entropy vulnerability was found in glibc2026-02-18

📋Vendor Advisories

2
Red Hat
glibc: vDSO getrandom acceleration may return predictable randomness2025-01-23
Debian
CVE-2025-0577: glibc - An insufficient entropy vulnerability was found in glibc. The getrandom and arc4...2025

🕵️Threat Intelligence

1
Wiz
CVE-2025-0577 Impact, Exploitability, and Mitigation Steps | Wiz