{"id":"CVE-2019-15544","aliases":["EUVD-2021-1801","GHSA-mh6h-f25p-98f8","RUSTSEC-2019-0003"],"status":"published","title":"Uncontrolled memory consumption in protobuf","description":"An issue was discovered in the protobuf crate before 2.6.0 for Rust. Attackers can exhaust all memory via Vec::reserve calls.","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":"2026-11-08","score":0.03764,"percentile":0.89981,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-770"],"published":"2019-06-08T12:00:00Z","modified":"2026-10-24T10:30:54Z","fixes":[{"ecosystem":"crates.io","package":"protobuf","fixed_in":["2.6.0","1.7.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"crates.io","package":"protobuf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.0"}]}]},{"source":"osv","ecosystem":"crates.io","package":"protobuf","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.6.0"}]}]},{"source":"osv","ecosystem":"crates.io","package":"protobuf","ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.0-0"},{"fixed":"1.7.5"},{"introduced":"2.0.0-0"},{"fixed":"2.6.0"}]}]}],"products":[{"vendor":"apache","product":"hbase"},{"vendor":"rust-protobuf_project","product":"rust-protobuf"}],"references":[{"url":"https://rustsec.org/advisories/RUSTSEC-2019-0003.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://lists.apache.org/thread.html/r4ef574a5621b0e670a3ce641e9922543e34f22bf4c9ee9584aa67fcf%40%3Cissues.hbase.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/r00097d0b5b6164ea428554007121d5dc1f88ba2af7b9e977a10572cd%40%3Cdev.hbase.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/rd64381fb8f92d640c1975dc50dcdf1b8512e02a2a7b20292d3565cae%40%3Cissues.hbase.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://lists.apache.org/thread.html/r7fed8dd9bee494094e7011cf3c2ab75bd8754ea314c6734688c42932%40%3Ccommon-issues.hadoop.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-15544","tags":["advisory"]},{"url":"https://github.com/stepancheg/rust-protobuf/issues/411","tags":["web","report"]},{"url":"https://lists.apache.org/thread.html/r00097d0b5b6164ea428554007121d5dc1f88ba2af7b9e977a10572cd@%3Cdev.hbase.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/r4ef574a5621b0e670a3ce641e9922543e34f22bf4c9ee9584aa67fcf@%3Cissues.hbase.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/rd64381fb8f92d640c1975dc50dcdf1b8512e02a2a7b20292d3565cae@%3Cissues.hbase.apache.org%3E","tags":["web"]},{"url":"https://lists.apache.org/thread.html/r7fed8dd9bee494094e7011cf3c2ab75bd8754ea314c6734688c42932@%3Ccommon-issues.hadoop.apache.org%3E","tags":["web"]},{"url":"https://github.com/advisories/GHSA-mh6h-f25p-98f8"},{"url":"https://github.com/stepancheg/rust-protobuf","tags":["package"]},{"url":"https://crates.io/crates/protobuf","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2019-15544","description":"An issue was discovered in the protobuf crate before 2.6.0 for Rust. Attackers can exhaust all memory via Vec::reserve calls.","status":"published","published":"2019-08-26T17:08:30Z","modified":"2024-08-05T00:49:13.577Z","updated_at":"2026-11-02T14:20:21.397307Z"}],"euvd":[{"id":"EUVD-2021-1801","description":"An issue was discovered in the protobuf crate before 2.6.0 for Rust. Attackers can exhaust all memory via Vec::reserve calls.","status":"published","published":"2019-08-26T17:08:30Z","modified":"2024-08-05T00:49:13Z","updated_at":"2026-11-03T02:40:35.584574Z"}],"ghsa":[{"id":"GHSA-mh6h-f25p-98f8","title":"Uncontrolled memory consumption in protobuf","description":"Affected versions of this crate called Vec::reserve() on user-supplied input. This allows an attacker to cause an Out of Memory condition while calling the vulnerable method on untrusted data.","status":"published","published":"2021-08-25T20:44:05Z","modified":"2023-06-13T20:32:33Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:36:54.225318Z"}],"nvd":[{"id":"CVE-2019-15544","description":"An issue was discovered in the protobuf crate before 2.6.0 for Rust. Attackers can exhaust all memory via Vec::reserve calls.","status":"published","published":"2019-08-26T18:15:12.593Z","modified":"2026-06-17T02:20:36.097Z","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":"2026-11-02T14:05:23.725587Z"}],"osv":[{"id":"CVE-2019-15544","description":"An issue was discovered in the protobuf crate before 2.6.0 for Rust. Attackers can exhaust all memory via Vec::reserve calls.","status":"published","published":"2019-08-26T18:15:12.593Z","modified":"2026-10-24T10:30:54.493873503Z","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":"2026-11-02T15:44:11.361782Z"},{"id":"GHSA-mh6h-f25p-98f8","title":"Uncontrolled memory consumption in protobuf","description":"Affected versions of this crate called Vec::reserve() on user-supplied input. This allows an attacker to cause an Out of Memory condition while calling the vulnerable method on untrusted data.","status":"published","published":"2021-08-25T20:44:05Z","modified":"2023-11-08T04:01:13.796697Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:46:51.811331Z"},{"id":"RUSTSEC-2019-0003","title":"Out of Memory in stream::read_raw_bytes_into()","description":"Affected versions of this crate called Vec::reserve() on user-supplied input.\n\nThis allows an attacker to cause an Out of Memory condition while calling the\nvulnerable method on untrusted data.","status":"published","published":"2019-06-08T12:00:00Z","modified":"2023-11-08T04:01:13.796697Z","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":"2026-11-02T15:53:39.492624Z"}]}}