Medium

Denial of service in Valine

  • Disclosed: 21.06.2021
  • Updated: 11.10.2026 10:22

Valine is a fast, simple & powerful comment system. Valine 1.4.14 allows remote attackers to cause a denial of service (application outage) by supplying a ua (aka User-Agent) value that only specifies the product and version.

Affected software

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PlatformPackageVulnerable versionsFixed in
npm package valine <= 1.4.14 no fix

References

CVSS score 5.3/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness (CWE)
CWE-94
Platform
npm
Package
valine
Disclosed
21.06.2021
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-p2c4-gxp4-j3xp - CC BY 4.0

Vulnerability history: valine

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
4
First → latest
11.2018 09.2022
Without a fix
1
Exploited in attacks
0

Severity breakdown

  • Critical 1
  • Medium 3

Disclosures per year

  1. 2018: 1
  2. 2019: 0
  3. 2020: 0
  4. 2021: 1
  5. 2022: 2
  6. 2023: 0
  7. 2024: 0
  8. 2025: 0
  9. 2026: 0
  1. Critical · 9.6 CVE-2022-38545 < 1.5.0 1.5.0
  2. Medium · 5.4 CVE-2020-28847 < 1.4.15 1.4.15
  3. Denial of service in Valine this entry
    Medium · 5.3 CVE-2021-34801 <= 1.4.14 no fix
  4. Medium · 6.1 CVE-2018-19289 < 1.3.4 1.3.4

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