{"id":"CVE-2019-11923","aliases":["EUVD-2019-3581","GHSA-wjxh-p937-x4v8"],"status":"published","title":"In Mcrouter prior to v0.41.0, the deprecated ASCII parser would allocate a buffer to a user...","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01451,"percentile":0.73559,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2019-12-04T16:00:21Z","modified":"2026-11-04T10:45:06Z","products":[{"vendor":"facebook","product":"mcrouter"}],"references":[{"url":"https://www.facebook.com/security/advisories/cve-2019-11923","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://github.com/facebook/mcrouter/releases/tag/v0.41.0-release","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory","advisory"]},{"url":"https://github.com/facebook/mcrouter/commit/98ce6624cd2563cfdb5da3b2949d5e1e03867034","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-11923"},{"url":"https://github.com/advisories/GHSA-wjxh-p937-x4v8"}],"sources":{"cve":[{"id":"CVE-2019-11923","description":"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.","status":"published","published":"2019-12-04T16:00:21Z","modified":"2024-08-04T23:10:29.637Z","updated_at":"2026-11-02T14:32:22.432545Z"}],"euvd":[{"id":"EUVD-2019-3581","description":"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.","status":"published","published":"2019-12-04T16:00:21Z","modified":"2024-08-04T23:10:29Z","updated_at":"2026-11-03T02:40:47.960625Z"}],"ghsa":[{"id":"GHSA-wjxh-p937-x4v8","title":"In Mcrouter prior to v0.41.0, the deprecated ASCII parser would allocate a buffer to a user...","description":"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.","status":"published","published":"2022-05-24T17:02:39Z","modified":"2023-01-28T05:08:07Z","updated_at":"2026-11-02T14:44:35.9832Z"}],"nvd":[{"id":"CVE-2019-11923","description":"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.","status":"published","published":"2019-12-04T16:15:11.637Z","modified":"2026-06-17T02:13:50.53Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:05:38.993437Z"}],"osv":[{"id":"CVE-2019-11923","description":"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.","status":"published","published":"2019-12-04T16:15:11.637Z","modified":"2026-11-04T13:04:58.682205777Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-04T13:40:00.290922Z"}]}}