CVE-2019-11923 json
In Mcrouter prior to v0.41.0, the deprecated ASCII parser would allocate a buffer to a user-specified length with no maximum length enforce…
published 6y ago modified 4mo ago also EUVD-2019-3581
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Facebook Mcrouter 0.41.0
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1.45% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- Facebook Mcrouter
Classification
- Weakness
-
- CWE-770 Allocation of Resources Without Limits or Throttling
References
-
github.com
/facebook/mcrouter/commit/98ce6624cd2563cfdb5da3b2949d5e1e03867034
patch, third-party-advisory
-
facebook.com
/security/advisories/cve-2019-11923
vendor-advisory
-
github.com
/facebook/mcrouter/releases/tag/v0.41.0-release
release-notes, vendor-advisory
Sources
- CVE List CVE-2019-11923
- NVD CVE-2019-11923
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