{"id":"CVE-2026-17113","aliases":["AZL-97649","EUVD-2026-65156"],"status":"published","title":"Cri-o: cri-o: unvalidated image env var causes daemon crash","description":"A flaw was found in CRI-O's container-creation environment-variable handling\n(`mergeEnvs` in `server/utils.go`, consumed by `setupContainerEnvironmentAndWorkdir` in\n`server/container_create.go`). When a `CreateContainer` request supplies a `nil` CRI\n`Envs` field, CRI-O falls back to using the target OCI image's `config.Env` entries\nunfiltered, in contrast to the normal merge path, which validates each entry for a\n`key=value` form before use. An OCI image whose `config.Env` contains an entry with no\n`=` character (e.g. a bare `NOEQUALS` string) causes CRI-O to split that entry into a\nsingle-element slice and then index its second element, which is out of range. This\ntriggers an unrecovered Go runtime panic in the `crio` daemon process, crashing it and\nterminating the container-runtime service for all workloads on the node until it is\nrestarted.","severity":{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00147,"percentile":0.03923,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1287"],"published":"2026-08-24T21:22:49Z","modified":"2026-11-05T05:36:30Z","affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"cri-o","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.30.1-1"}]}]}],"products":[{"vendor":"red hat","product":"red hat openshift container platform 4"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-17113","tags":["vdb-entry","x_refsource_REDHAT","advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2506872","tags":["issue-tracking","x_refsource_REDHAT","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17113","tags":["web","advisory"]},{"url":"https://access.redhat.com/downloads/content/package-browser/","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/17xxx/CVE-2026-17113.json","tags":["advisory"]},{"url":"https://github.com/cri-o/cri-o","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-17113","title":"Cri-o: cri-o: unvalidated image env var causes daemon crash","description":"A flaw was found in CRI-O's container-creation environment-variable handling\n(`mergeEnvs` in `server/utils.go`, consumed by `setupContainerEnvironmentAndWorkdir` in\n`server/container_create.go`). When a `CreateContainer` request supplies a `nil` CRI\n`Envs` field, CRI-O falls back to using the target OCI image's `config.Env` entries\nunfiltered, in contrast to the normal merge path, which validates each entry for a\n`key=value` form before use. An OCI image whose `config.Env` contains an entry with no\n`=` character (e.g. a bare `NOEQUALS` string) causes CRI-O to split that entry into a\nsingle-element slice and then index its second element, which is out of range. This\ntriggers an unrecovered Go runtime panic in the `crio` daemon process, crashing it and\nterminating the container-runtime service for all workloads on the node until it is\nrestarted.","status":"published","published":"2026-08-24T21:22:49.638Z","modified":"2026-10-21T20:12:46.564Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-1287"],"updated_at":"2026-11-02T14:19:54.50686Z"}],"euvd":[{"id":"EUVD-2026-65156","description":"A flaw was found in CRI-O's container-creation environment-variable handling\n(`mergeEnvs` in `server/utils.go`, consumed by `setupContainerEnvironmentAndWorkdir` in\n`server/container_create.go`). When a `CreateContainer` request supplies a `nil` CRI\n`Envs` field, CRI-O falls back to using the target OCI image's `config.Env` entries\nunfiltered, in contrast to the normal merge path, which validates each entry for a\n`key=value` form before use. An OCI image whose `config.Env` contains an entry with no\n`=` character (e.g. a bare `NOEQUALS` string) causes CRI-O to split that entry into a\nsingle-element slice and then index its second element, which is out of range. This\ntriggers an unrecovered Go runtime panic in the `crio` daemon process, crashing it and\nterminating the container-runtime service for all workloads on the node until it is\nrestarted.","status":"published","published":"2026-08-24T21:22:49Z","modified":"2026-10-21T20:12:46Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:59:35.88085Z"}],"nvd":[{"id":"CVE-2026-17113","description":"A flaw was found in CRI-O's container-creation environment-variable handling\n(`mergeEnvs` in `server/utils.go`, consumed by `setupContainerEnvironmentAndWorkdir` in\n`server/container_create.go`). When a `CreateContainer` request supplies a `nil` CRI\n`Envs` field, CRI-O falls back to using the target OCI image's `config.Env` entries\nunfiltered, in contrast to the normal merge path, which validates each entry for a\n`key=value` form before use. An OCI image whose `config.Env` contains an entry with no\n`=` character (e.g. a bare `NOEQUALS` string) causes CRI-O to split that entry into a\nsingle-element slice and then index its second element, which is out of range. This\ntriggers an unrecovered Go runtime panic in the `crio` daemon process, crashing it and\nterminating the container-runtime service for all workloads on the node until it is\nrestarted.","status":"published","published":"2026-08-24T22:16:50.333Z","modified":"2026-10-21T21:17:58.8Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-1287"],"updated_at":"2026-11-02T14:12:41.018848Z"}],"osv":[{"id":"CVE-2026-17113","title":"Cri-o: cri-o: unvalidated image env var causes daemon crash","description":"A flaw was found in CRI-O's container-creation environment-variable handling\n(`mergeEnvs` in `server/utils.go`, consumed by `setupContainerEnvironmentAndWorkdir` in\n`server/container_create.go`). When a `CreateContainer` request supplies a `nil` CRI\n`Envs` field, CRI-O falls back to using the target OCI image's `config.Env` entries\nunfiltered, in contrast to the normal merge path, which validates each entry for a\n`key=value` form before use. An OCI image whose `config.Env` contains an entry with no\n`=` character (e.g. a bare `NOEQUALS` string) causes CRI-O to split that entry into a\nsingle-element slice and then index its second element, which is out of range. This\ntriggers an unrecovered Go runtime panic in the `crio` daemon process, crashing it and\nterminating the container-runtime service for all workloads on the node until it is\nrestarted.","status":"published","published":"2026-08-24T21:22:49.638Z","modified":"2026-10-28T02:30:51.909371372Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-1287"],"updated_at":"2026-11-02T15:44:57.682091Z"},{"id":"AZL-97649","title":"CVE-2026-17113 affecting package cri-o 1.30.1-1","description":"A flaw was found in CRI-O's container-creation environment-variable handling\n(`mergeEnvs` in `server/utils.go`, consumed by `setupContainerEnvironmentAndWorkdir` in\n`server/container_create.go`). When a `CreateContainer` request supplies a `nil` CRI\n`Envs` field, CRI-O falls back to using the target OCI image's `config.Env` entries\nunfiltered, in contrast to the normal merge path, which validates each entry for a\n`key=value` form before use. An OCI image whose `config.Env` contains an entry with no\n`=` character (e.g. a bare `NOEQUALS` string) causes CRI-O to split that entry into a\nsingle-element slice and then index its second element, which is out of range. This\ntriggers an unrecovered Go runtime panic in the `crio` daemon process, crashing it and\nterminating the container-runtime service for all workloads on the node until it is\nrestarted.","status":"published","published":"2026-08-24T22:16:50Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:26.280152Z"}]}}