CVE-2025-46805CWE-367

Screen has a TOCTOU race potentially allowing to send SIGHUP, SIGCONT to privileged processes when installed setuid-root

Medium · published May 26, 2025

CVSS v4.0
5.7
EPSS
0%
Percentile
6.7
In the wild
Unconfirmed
What it is

Screen version 5.0.0 and older version 4 releases have a TOCTOU race potentially allowing to send SIGHUP, SIGCONT to privileged processes when installed setuid-root.

The record
Technical detail
CVSS v4.0
5.7 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00176 · 6.7th percentile
Weakness
CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition
Published
2025-05-26T13:16Z
EPSS history
Timeline
  • 26 MAY 13:16Z
    Screen has a TOCTOU race potentially allowing to send SIGHUP, SIGCONT to privileged processes when installed setuid-root
    cvelistv5