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Vulnerabilities

Vulnerability · CVE-2025-9810

TOCTOU in linenoiseHistorySave in linenoise allows local attackers to overwrite arbitrary files and change permissions via a symlink race between fopen("w") on the history path and

Published Sep 1, 2025 · catalog updated Apr 22, 2026 · TOCTOU in linenoiseHistorySave in

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-9810. EPSS is 0.11%. Act only if a listed version of TOCTOU in linenoiseHistorySave in is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (TOCTOU in linenoiseHistorySave in).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.11%
Remediation
Vendor / distro source
Affected products
vendor antirez linenoise 0

TOCTOU in linenoiseHistorySave in linenoise allows local attackers to overwrite arbitrary files and change permissions via a symlink race between fopen("w") on the history path and subsequent chmod() on the same path.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor antirez linenoise 00

How to fix CVE-2025-9810

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-9810. EPSS is 0.11%. Act only if a listed version of TOCTOU in linenoiseHistorySave in is installed.

Which versions are affected?

Compare what you have installed with antirez linenoise 0 0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.11%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 1, 2025 · EUVD

    Detected

    TOCTOU in linenoiseHistorySave in linenoise allows local attackers to overwrite arbitrary files and change permissions via a symlink race between fopen("w") on the history path and subsequent chmod() on the same path.

  2. Apr 22, 2026 · EUVD

    Updated

    TOCTOU in linenoiseHistorySave in linenoise allows local attackers to overwrite arbitrary files and change permissions via a symlink race between fopen("w") on the history path and subsequent chmod() on the same path.

Sources

  • CVE.orgVulnerability recordCVE-2025-9810

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-9810

    30-day exploitation probability 0.11%

    first.org
  • EUVDVulnerability recordEUVD-2025-26353

    TOCTOU in linenoiseHistorySave in linenoise allows local attackers to overwrite arbitrary files and change permissions via a symlink race between fopen("w") on the history path and subsequent chmod() on the same path.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 22, 2026
  • EUVDOct 21, 2026