Facebook Mcrouter vulnerabilities

2 CVEs affecting Facebook Mcrouter, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2019-11937, published 2019-12-04.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2019-11923, published 2019-12-04. High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days. 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.
• CVE-2019-11937, published 2019-12-04. High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days. 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.