Resource exhaustion in Facebook Mcrouter
CVE-2019-11923
In Mcrouter prior to v0.41.0, the deprecated ASCII parser would allocate a buffer to a user-specified length with no maximum length enforced, allowing for resource exhaustion or denial of service.
EPSS: 0.015 (70.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Facebook Mcrouter — versions 0.41.0, unspecified
Weakness classification (CWE)
References
- cve-assign@fb.com (x_refsource_CONFIRM, Vendor Advisory)
- cve-assign@fb.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- cve-assign@fb.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-11923?
- CVE-2019-11923 is a high-severity vulnerability in Facebook Mcrouter, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2019-12-04.
- How severe is CVE-2019-11923?
- High severity. CVSS v3 base score is 7.5 out of 10.