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TI-2024-27718 Aliases CVE-2024-41655GHSA-8h55-q5qq-p685

TF2 Item Format Regular Expression Denial of Service vulnerability

Priority HIGH 72CWE-1333Published · 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 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-1333.

Summary

TF2 Item Format helps users format TF2 items to the community standards. Versions of `tf2-item-format` since at least `4.2.6` and prior to `5.9.14` are vulnerable to a Regular Expression Denial of Service (ReDoS) attack when parsing crafted user input. This vulnerability can be exploited by an attacker to perform DoS attacks on any service that uses any `tf2-item-format` to parse user input. Version `5.9.14` contains a fix for the issue.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00766 55th percentileScored 2026-11-07
Fix Fixed node-tf2-item-format (danocmx): 5.9.14tf2-item-format (npm): 5.9.14

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
danocmxnode-tf2-item-format4.2.6 to before 5.9.145.9.14Patch availableCNA
—tf2-item-format (npm)4.2.6 to before 5.9.145.9.14Patch availableGHSA-8h55-q5qq-p685
  • node-tf2-item-format Vendordanocmx Affected 4.2.6 to before 5.9.14 Fixed in 5.9.14 Patch available CNA
  • tf2-item-format (npm) Vendor— Affected 4.2.6 to before 5.9.14 Fixed in 5.9.14 Patch available GHSA-8h55-q5qq-p685

CPE names CISA-ADP · 1

CPEVersionsRoleVendor
cpe:2.3:a:danocmx:node-tf2-item-format:*:*:*:*:*:*:*:*——danocmx
  • cpe:2.3:a:danocmx:node-tf2-item-format:*:*:*:*:*:*:*:* Versions — — ·danocmx

Remediation

  • Fix · CNA node-tf2-item-format (danocmx) Fixed in 5.9.14
  • Fix · GHSA-8h55-q5qq-p685 tf2-item-format (npm) Fixed in 5.9.14 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-41655
  2. 2026-10-03 Alias added: GHSA-8h55-q5qq-p685

References

Sources