CVE-2024-54661

CRITICALNVD 9.89.8—

9.8

readline.sh in socat before1.8.0.2 relies on the /tmp/$USER/stderr2 file.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 37.7%
KEV: Not listed

Published

December 4, 2024

Last Modified

April 15, 2026

Advisory Details (2)

Auto-updated May 4, 2026

No patch confirmed yet.

generic

Public Git Hosting - socat.git/blob - readline.sh

https://repo.or.cz/socat.git/blob/6ff391324d2d3b9f6bfb58e7d16a20be43b47af7:/readline.sh#l29

generic

Socat security advisory 9 - readline.sh: arbitrary file overwrite via predictable /tmp directory

http://www.dest-unreach.org/socat/contrib/socat-secadv9.html

Patch Availability(4)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	socat-0:1.7.4.1-2.el8_10	2025-07-15	redhat
redhat	socat-0:1.7.4.1-5.el9_2.2	2025-07-08	redhat
redhat	socat-0:1.7.4.1-5.el9_4.3	2025-07-08	redhat
redhat	socat-0:1.7.4.1-6.el9_6.1	2025-07-07	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-61

All Vendor Advisories

(5)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-30 21:53 UTCOSV refresh
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2026-05-27 13:40 UTCepss_batch
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2026-05-26 13:43 UTCepss_batch
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2026-05-26 07:18 UTCepss_batch
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2026-05-22 21:16 UTCepss_batch

Frequently asked(5)

What is CVE-2024-54661?

CVE-2024-54661 is a critical vulnerability published on December 4, 2024. readline.sh in socat before1.8.0.2 relies on the /tmp/$USER/stderr2 file.

When was CVE-2024-54661 disclosed?

CVE-2024-54661 was first published in the National Vulnerability Database on December 4, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-54661 actively exploited?

CVE-2024-54661 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 37.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-54661?

CVE-2024-54661 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2024-54661?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-54661, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-54661

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