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TI-2019-08942 Aliases CVE-2019-11937GHSA-44c7-rp6q-gcrh

Uncontrolled recursion in Meta Mcrouter

Priority LOW 36CWE-674Published · 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 · NVD. Fix status from CNA. Impact type from CWE-674.

Summary

In Mcrouter prior to v0.41.0, a large struct input provided to the Carbon protocol reader could result in stack exhaustion and denial of service.

Why it matters now

EPSS 0.01434 73rd percentileScored 2026-11-07
Fix Fixed Mcrouter (Facebook): 0.41.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MetaMcrouter0.41.0; before 0.41.00.41.0Patch availableCNA
  • Mcrouter VendorMeta Affected 0.41.0; before 0.41.0 Fixed in 0.41.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:facebook:mcrouter:*:*:*:*:*:*:*:*before 0.41.0VulnerableMeta
  • cpe:2.3:a:facebook:mcrouter:*:*:*:*:*:*:*:* Versions before 0.41.0 Vulnerable ·Meta

Remediation

  • Fix · CNA Mcrouter (Facebook) Fixed in 0.41.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Facebook Mcrouter 0.41.0

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2019-08928 Resource allocation without limits in Meta McrouterPriority LOW 36

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-11937
  2. 2026-10-03 Alias added: GHSA-44c7-rp6q-gcrh

References

  • TI-2019-08928 Resource allocation without limits in Meta Mcrouter CVSS 3.1HIGH 7.5

Sources