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TI-2025-20066 Aliases CVE-2025-27209GHSA-qr33-gf7m-pq45

The V8 release used in Node.js v24.0.0 has changed how string hashes are computed using…

Priority MEDIUM 41CWE-407Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-407.

Summary

The V8 release used in Node.js v24.0.0 has changed how string hashes are computed using rapidhash. This implementation re-introduces the HashDoS vulnerability as an attacker who can control the strings to be hashed can generate many hash collisions - an attacker can generate collisions even without knowing the hash-seed. * This vulnerability affects Node.js v24.x users.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01253 69th percentileScored 2026-11-07
Fix Fixed node (nodejs): 24.4.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
NodeJSnode24.0.0 to before 24.4.124.4.1Patch availableCNA
  • node VendorNodeJS Affected 24.0.0 to before 24.4.1 Fixed in 24.4.1 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*——NodeJS
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:* Versions — — ·NodeJS

Remediation

  • Fix · CNA node (nodejs) Fixed in 24.4.1

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 3 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-27209
  2. 2026-10-03 Alias added: GHSA-qr33-gf7m-pq45

References

  • TI-2026-79288 Out-of-bounds write in Google Brotli decoder KEVCVSS 4.0CRITICAL 9.2
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2024-18584 Race condition in NodeJS Node CVSS 3.0HIGH 8.2
  • TI-2016-01993 The DES and Triple DES ciphers, as used in the TLS, SSH, and IPSec protocols and other… CVSS 3.1HIGH 7.5
  • TI-2024-03325 Command injection vulnerability in programing languages on Microsoft Windows operating system. CVSS 3.1CRITICAL 9.8
  • TI-2022-03472 X.509 Email Address Variable Length Buffer Overflow CVSS 3.1HIGH 7.5
See all 295 →

Sources