CVE-2019-11937
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.43% probability · 73th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-674
- Affected
- facebook/mcrouter
- Source
- cve-assign@fb.com
EPSS 1.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/facebook/mcrouter/commit/97e033b3bb0cb16b61bf49f0dc7f311a3e0edd1bPatch, Vendor Advisory
- https://github.com/facebook/mcrouter/releases/tag/v0.41.0-releaseRelease Notes, Vendor Advisory
- https://www.facebook.com/security/advisories/cve-2019-11937Vendor Advisory
- https://github.com/facebook/mcrouter/commit/97e033b3bb0cb16b61bf49f0dc7f311a3e0edd1bPatch, Vendor Advisory
- https://github.com/facebook/mcrouter/releases/tag/v0.41.0-releaseRelease Notes, Vendor Advisory
- https://www.facebook.com/security/advisories/cve-2019-11937Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.