CVE-2019-11923

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Source
https://cve.org/CVERecord?id=CVE-2019-11923
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11923.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-11923
Published
2019-12-04T16:15:11.637Z
Modified
2026-07-08T16:07:42.170919Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/facebook/mcrouter

Affected ranges

Type
GIT
Repo
https://github.com/facebook/mcrouter
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
9ffd13e9ab6c2c02bd1f95a7169c9a69b1b6bc54
Fixed
98ce6624cd2563cfdb5da3b2949d5e1e03867034
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.41.0"
        }
    ],
    "cpe": "cpe:2.3:a:facebook:mcrouter:*:*:*:*:*:*:*:*",
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

Other
release-36-cve-fix
v0.*
v0.10.0
v0.11.0
v0.12.0
v0.13.0
v0.14.0
v0.15.0
v0.16.0
v0.17.0
v0.18.0
v0.19.0
v0.20.0
v0.21.0
v0.22.0
v0.23.0
v0.24.0
v0.25.0
v0.26.0
v0.27.0
v0.28.0
v0.29.0
v0.30.0
v0.31.0
v0.32.0
v0.33.0
v0.34.0
v0.35.0
v0.36.0
v0.37.0
v0.38.0
v0.39.0
v0.41.0
v0.9.0

Database specific

vanir_signatures_modified 
"2026-07-08T16:07:42Z"
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11923.json"
vanir_signatures 
[
    {
        "signature_type": "Line",
        "target": {
            "file": "mcrouter/lib/network/McAsciiParser.h"
        },
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "204285751708632397820198096865362966590",
                "218963596161198465424678146777078642599",
                "275199152256098293863193008935329626627"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2019-11923-8c58217a",
        "source": "https://github.com/facebook/mcrouter/commit/98ce6624cd2563cfdb5da3b2949d5e1e03867034",
        "signature_version": "v1"
    }
]