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No exploitation reportedFix available

CVE-2025-46805

No exploitation reported by the sources we read.

  • Published2025-05-26
  • WeaknessCWE-367

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2025-05-2614:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-02 15:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2025-46805?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2025-46805?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

Products declared by the CNA1 product

As suse, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2025-05-26

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • screenUbuntu:Pro:18.04:LTSall versions · no fixed version listed
  • screenUbuntu:Pro:16.04:LTSall versions · no fixed version listed
  • screenUbuntu:Pro:14.04:LTSall versions · no fixed version listed
  • screenUbuntu:24.04:LTSall versions · fixed in 4.9.1-1ubuntu1
  • screenUbuntu:22.04:LTSall versions · fixed in 4.9.0-1ubuntu0.1
  • screenUbuntu:20.04:LTSall versions · no fixed version listed
  • screenopenSUSE:Tumbleweedall versions · fixed in 5.0.2-1.1
  • screenopenEuler:24.03-LTS-SP1all versions · fixed in 4.9.0-3.oe2403sp1

16 more package ranges on OSV.dev

Vendor advisories

  • CVE-2025-46805 Red Hat Product Security3 known affected

    screen: Race Conditions when Sending Signals

    screen.src as a component of Red Hat Enterprise Linux 6 · screen as a component of Red Hat Enterprise Linux 7 · screen.src as a component of Red Hat Enterprise Linux 7

Full record on NVD

Fix

  1. Workaround from the vendor Red Hat Product Security CVE-2025-46805 · 3 productsNo mitigation is currently available that meets Red Hat Product Security’s standards for usability, deployment, applicability, or stability.
  2. No fix planned, says the vendor Red Hat Product Security CVE-2025-46805 · 3 productsOut of support scope

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionnone2025-05-27
  • OpenCVESSVC decisionnone—
  • CNACVSS 4.05.7known since 2026-10-23
  • CNACVSS 3.15.5known since 2026-10-23
  • CNAweakness (CWE)CWE-367known since 2026-10-23
  • FIRST EPSSEPSS score0.2 %2026-11-01
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 4.0 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2025-05-26
Last Modified
2026-06-17
NVD status
Deferred
GitHub Advisory
GHSA-v9hv-wgmv-7qj2

Frequently asked questions

What is CVE-2025-46805?

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.

Is CVE-2025-46805 actively exploited?

Active exploitation of CVE-2025-46805 has not been confirmed. Its EPSS score was 0.2% on 2026-11-01, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-46805?

CVE-2025-46805 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record