{"id":"CVE-2023-0821","aliases":["EUVD-2023-0807","GHSA-w479-w22g-cffh","GO-2023-1581","UBUNTU-CVE-2023-0821"],"status":"published","title":"Nomad Client Vulnerable to Decompression Bombs in Artifact Block","description":"HashiCorp Nomad and Nomad Enterprise 1.2.15 up to 1.3.8, and 1.4.3 jobs using a maliciously compressed artifact stanza source can cause excessive disk usage. Fixed in 1.2.16, 1.3.9, and 1.4.4.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00795,"percentile":0.56751,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400","CWE-409"],"published":"2023-02-16T21:23:24Z","modified":"2026-10-28T02:31:14Z","fixes":[{"ecosystem":"Go","package":"github.com/hashicorp/nomad","fixed_in":["1.2.16","1.3.9","1.4.4"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/nomad","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.2.15"},{"fixed":"1.2.16"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/nomad","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.3.0"},{"fixed":"1.3.9"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/nomad","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.4.0"},{"fixed":"1.4.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/nomad","ranges":[{"type":"SEMVER","events":[{"introduced":"1.2.15"},{"fixed":"1.2.16"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/nomad","ranges":[{"type":"SEMVER","events":[{"introduced":"1.3.0"},{"fixed":"1.3.9"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/nomad","ranges":[{"type":"SEMVER","events":[{"introduced":"1.4.0"},{"fixed":"1.4.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/nomad","ranges":[{"type":"SEMVER","events":[{"introduced":"1.2.15"},{"fixed":"1.2.16"},{"introduced":"1.3.0"},{"fixed":"1.3.9"},{"introduced":"1.4.0"},{"fixed":"1.4.4"}]}]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"nomad","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.0+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"nomad","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.7+dfsg1-1ubuntu1"]}],"products":[{"vendor":"hashicorp","product":"nomad"},{"vendor":"hashicorp","product":"nomad enterprise"}],"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2023-05-nomad-client-vulnerable-to-decompression-bombs-in-artifact-block/50292","tags":["x_transferred","Vendor Advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0821","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-w479-w22g-cffh","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/0xxx/CVE-2023-0821.json","tags":["advisory"]},{"url":"https://github.com/hashicorp/nomad","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2023-0821","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-0821","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-0821","title":"Nomad Client Vulnerable to Decompression Bombs in Artifact Block","description":"HashiCorp Nomad and Nomad Enterprise 1.2.15 up to 1.3.8, and 1.4.3 jobs using a maliciously compressed artifact stanza source can cause excessive disk usage. Fixed in 1.2.16, 1.3.9, and 1.4.4.","status":"published","published":"2023-02-16T21:23:24.5Z","modified":"2025-03-18T14:35:44.335Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-409"],"updated_at":"2026-11-02T14:35:34.923818Z"}],"euvd":[{"id":"EUVD-2023-0807","description":"HashiCorp Nomad and Nomad Enterprise 1.2.15 up to 1.3.8, and 1.4.3 jobs using a maliciously compressed artifact stanza source can cause excessive disk usage. Fixed in 1.2.16, 1.3.9, and 1.4.4.","status":"published","published":"2023-02-16T21:23:24Z","modified":"2025-03-18T14:35:44Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:53:00.87598Z"}],"ghsa":[{"id":"GHSA-w479-w22g-cffh","title":"Uncontrolled Resource Consumption in Hashicorp Nomad","description":"HashiCorp Nomad and Nomad Enterprise 1.2.15 up to 1.3.8, and 1.4.3 jobs using a maliciously compressed artifact stanza source can cause excessive disk usage. Fixed in 1.2.16, 1.3.9, and 1.4.4.","status":"published","published":"2023-02-17T00:30:28Z","modified":"2023-03-07T05:07:27Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:36:47.279442Z"}],"nvd":[{"id":"CVE-2023-0821","description":"HashiCorp Nomad and Nomad Enterprise 1.2.15 up to 1.3.8, and 1.4.3 jobs using a maliciously compressed artifact stanza source can cause excessive disk usage. Fixed in 1.2.16, 1.3.9, and 1.4.4.","status":"published","published":"2023-02-16T22:15:11.097Z","modified":"2026-06-17T05:26:23.083Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-409"],"updated_at":"2026-11-02T14:07:47.623983Z"}],"osv":[{"id":"CVE-2023-0821","title":"Nomad Client Vulnerable to Decompression Bombs in Artifact Block","description":"HashiCorp Nomad and Nomad Enterprise 1.2.15 up to 1.3.8, and 1.4.3 jobs using a maliciously compressed artifact stanza source can cause excessive disk usage. Fixed in 1.2.16, 1.3.9, and 1.4.4.","status":"published","published":"2023-02-16T21:23:24.5Z","modified":"2026-10-28T02:31:14.90862172Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-409"],"updated_at":"2026-11-02T15:44:29.487253Z"},{"id":"GHSA-w479-w22g-cffh","title":"Uncontrolled Resource Consumption in Hashicorp Nomad","description":"HashiCorp Nomad and Nomad Enterprise 1.2.15 up to 1.3.8, and 1.4.3 jobs using a maliciously compressed artifact stanza source can cause excessive disk usage. Fixed in 1.2.16, 1.3.9, and 1.4.4.","status":"published","published":"2023-02-17T00:30:28Z","modified":"2024-08-20T20:58:34.378514Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:46:58.04805Z"},{"id":"UBUNTU-CVE-2023-0821","description":"HashiCorp Nomad and Nomad Enterprise 1.2.15 up to 1.3.8, and 1.4.3 jobs using a maliciously compressed artifact stanza source can cause excessive disk usage. Fixed in 1.2.16, 1.3.9, and 1.4.4.","status":"published","published":"2023-02-16T22:15:00Z","modified":"2025-10-24T05:01:06Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:54:18.756095Z"},{"id":"GO-2023-1581","title":"Uncontrolled Resource Consumption in Hashicorp Nomad in github.com/hashicorp/nomad","description":"Uncontrolled Resource Consumption in Hashicorp Nomad in github.com/hashicorp/nomad","status":"published","published":"2024-08-20T20:26:01Z","modified":"2026-03-03T04:51:23.318955Z","updated_at":"2026-11-02T15:47:01.185262Z"}]}}