{"id":"CVE-2022-34038","aliases":["BIT-etcd-2022-34038","DEBIAN-CVE-2022-34038","EUVD-2023-2222","GHSA-65rp-cv85-263x","OESA-2025-1168","OESA-2025-1169","OESA-2025-1170"],"status":"disputed","title":"etcd denial of service vulnerability","description":"Etcd v3.5.4 allows remote attackers to cause a denial of service via function PageWriter.write in pagewriter.go. NOTE: the vendor's position is that this is not a vulnerability.","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":0.01751,"percentile":0.78031,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2023-08-22T00:00:00Z","modified":"2026-11-03T06:02:41Z","fixes":[{"ecosystem":"Bitnami","package":"etcd","fixed_in":["3.5.5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"etcd","ranges":[{"type":"SEMVER","events":[{"introduced":"3.5.4"},{"fixed":"3.5.5"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.23-4","3.4.23-5","3.4.23-6","3.4.30-1","3.4.30-2","3.4.30-3","3.5.15-1","3.5.15-2","3.5.15-3","3.5.15-4","3.5.15-5","3.5.15-6","3.5.15-7","3.5.16-1","3.5.16-10","3.5.16-11","3.5.16-2","3.5.16-3","3.5.16-4","3.5.16-5","3.5.16-6","3.5.16-7","3.5.16-8","3.5.16-9","3.5.22-1","3.5.22-2","3.5.30-1~exp1","3.5.30-1~exp2","3.5.30-2","3.5.5-1"]},{"source":"osv","ecosystem":"Debian:13","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.16-10","3.5.16-11","3.5.16-4","3.5.16-5","3.5.16-6","3.5.16-7","3.5.16-8","3.5.16-9","3.5.22-1","3.5.22-2","3.5.30-1~exp1","3.5.30-1~exp2","3.5.30-2"]},{"source":"osv","ecosystem":"Debian:14","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.16-10","3.5.16-11","3.5.16-4","3.5.16-5","3.5.16-6","3.5.16-7","3.5.16-8","3.5.16-9","3.5.22-1","3.5.22-2","3.5.30-1~exp1","3.5.30-1~exp2","3.5.30-2"]},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP4","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.14-9.oe2003sp4"}]}],"bundled":5},{"source":"osv","ecosystem":"openEuler:22.03-LTS-SP3","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.14-8.oe2203sp3"}]}],"bundled":5},{"source":"osv","ecosystem":"openEuler:22.03-LTS-SP4","package":"etcd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.14-11.oe2203sp4"}]}],"bundled":5}],"products":[{"vendor":"etcd","product":"etcd"}],"references":[{"url":"https://github.com/etcd-io/etcd/pull/14022","tags":["x_transferred","Patch","fix","web"]},{"url":"https://github.com/etcd-io/etcd/pull/14452","tags":["x_transferred","Patch","fix","web"]},{"url":"https://github.com/golang/vulndb/issues/2016#issuecomment-1698677762","tags":["x_transferred","web","report"]},{"url":"https://go-review.googlesource.com/c/vulndb/+/524456","tags":["x_transferred","web"]},{"url":"https://go-review.googlesource.com/c/vulndb/+/524456/2/data/excluded/GO-2023-2016.yaml","tags":["x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-34038","tags":["web","advisory"]},{"url":"https://github.com/etcd-io/etcd/commit/5a315ef88fbfa454e02d27b0b8acb4f89457cd90","tags":["web"]},{"url":"https://github.com/advisories/GHSA-65rp-cv85-263x"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/34xxx/CVE-2022-34038.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2022-34038","tags":["advisory"]},{"url":"https://github.com/etcd-io/etcd","tags":["package"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1168","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28235","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-3064","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-41723","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-32082","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1169","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1170","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-34038","description":"Etcd v3.5.4 allows remote attackers to cause a denial of service via function PageWriter.write in pagewriter.go. NOTE: the vendor's position is that this is not a vulnerability.","status":"disputed","published":"2023-08-22T00:00:00Z","modified":"2024-10-03T17:40:18.755Z","updated_at":"2026-11-02T14:34:42.354707Z"}],"euvd":[{"id":"EUVD-2023-2222","description":"Etcd v3.5.4 allows remote attackers to cause a denial of service via function PageWriter.write in pagewriter.go. NOTE: the vendor's position is that this is not a vulnerability.","status":"published","published":"2023-08-22T00:00:00Z","modified":"2024-10-03T17:40:18Z","updated_at":"2026-11-03T00:27:54.233481Z"}],"ghsa":[{"id":"GHSA-65rp-cv85-263x","title":"etcd denial of service vulnerability","description":"Etcd v3.5.4 allows remote attackers to cause a denial of service via function PageWriter.write in pagewriter.go","status":"withdrawn","published":"2023-08-22T21:30:26Z","modified":"2024-03-21T17:58:18Z","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"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:37:41.821668Z"}],"nvd":[{"id":"CVE-2022-34038","description":"Etcd v3.5.4 allows remote attackers to cause a denial of service via function PageWriter.write in pagewriter.go. NOTE: the vendor's position is that this is not a vulnerability.","status":"disputed","published":"2023-08-22T19:16:23Z","modified":"2026-06-17T04:49:41.567Z","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"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:39.811118Z"}],"osv":[{"id":"GHSA-65rp-cv85-263x","title":"etcd denial of service vulnerability","description":"Etcd v3.5.4 allows remote attackers to cause a denial of service via function PageWriter.write in pagewriter.go","status":"withdrawn","published":"2023-08-22T21:30:26Z","modified":"2026-09-10T03:49:57.518898168Z","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"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:46:39.266402Z"},{"id":"OESA-2025-1168","title":"etcd security update","description":"%{expand:\r\n\r\nSecurity Fix(es):\n\nAuthentication vulnerability found in Etcd-io v.3.4.10 allows remote attackers to escalate privileges via the debug function.(CVE-2021-28235)\n\nParsing malicious or large YAML documents can consume excessive amounts of CPU or memory.(CVE-2022-3064)\n\nEtcd v3.5.4 allows remote attackers to cause a denial of service via function PageWriter.write in pagewriter.go. NOTE: the vendor\u0026apos;s position is that this is not a vulnerability.(CVE-2022-34038)\n\nA maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of small requests.(CVE-2022-41723)\n\netcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.4.26 and 3.5.9, the LeaseTimeToLive API allows access to key names (not value) associated to a lease when `Keys` parameter is true, even a user doesn\u0026apos;t have read permission to the keys. The impact is limited to a cluster which enables auth (RBAC). Versions 3.4.26 and 3.5.9 fix this issue. There are no known workarounds.(CVE-2023-32082)","status":"published","published":"2025-02-21T11:08:15Z","modified":"2026-08-18T01:18:47.503578259Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:42.253598Z"},{"id":"OESA-2025-1169","title":"etcd security update","description":"%{expand:\r\n\r\nSecurity Fix(es):\n\nAuthentication vulnerability found in Etcd-io v.3.4.10 allows remote attackers to escalate privileges via the debug function.(CVE-2021-28235)\n\nParsing malicious or large YAML documents can consume excessive amounts of CPU or memory.(CVE-2022-3064)\n\nEtcd v3.5.4 allows remote attackers to cause a denial of service via function PageWriter.write in pagewriter.go. NOTE: the vendor\u0026apos;s position is that this is not a vulnerability.(CVE-2022-34038)\n\nA maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of small requests.(CVE-2022-41723)\n\netcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.4.26 and 3.5.9, the LeaseTimeToLive API allows access to key names (not value) associated to a lease when `Keys` parameter is true, even a user doesn\u0026apos;t have read permission to the keys. The impact is limited to a cluster which enables auth (RBAC). Versions 3.4.26 and 3.5.9 fix this issue. There are no known workarounds.(CVE-2023-32082)","status":"published","published":"2025-02-21T11:08:16Z","modified":"2026-08-18T01:18:47.655389514Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:42.253598Z"},{"id":"OESA-2025-1170","title":"etcd security update","description":"%{expand:\r\n\r\nSecurity Fix(es):\n\nAuthentication vulnerability found in Etcd-io v.3.4.10 allows remote attackers to escalate privileges via the debug function.(CVE-2021-28235)\n\nParsing malicious or large YAML documents can consume excessive amounts of CPU or memory.(CVE-2022-3064)\n\nEtcd v3.5.4 allows remote attackers to cause a denial of service via function PageWriter.write in pagewriter.go. NOTE: the vendor\u0026apos;s position is that this is not a vulnerability.(CVE-2022-34038)\n\nA maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of small requests.(CVE-2022-41723)\n\netcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.4.26 and 3.5.9, the LeaseTimeToLive API allows access to key names (not value) associated to a lease when `Keys` parameter is true, even a user doesn\u0026apos;t have read permission to the keys. The impact is limited to a cluster which enables auth (RBAC). Versions 3.4.26 and 3.5.9 fix this issue. There are no known workarounds.(CVE-2023-32082)","status":"published","published":"2025-02-21T11:08:16Z","modified":"2026-08-18T01:18:47.584580496Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:42.253598Z"},{"id":"BIT-etcd-2022-34038","description":"Etcd v3.5.4 allows remote attackers to cause a denial of service via function PageWriter.write in pagewriter.go. NOTE: the vendor's position is that this is not a vulnerability.","status":"published","published":"2024-03-06T10:51:58.47Z","modified":"2026-09-08T08:47:28.157131447Z","updated_at":"2026-11-02T15:28:29.563843Z"},{"id":"CVE-2022-34038","description":"Etcd v3.5.4 allows remote attackers to cause a denial of service via function PageWriter.write in pagewriter.go. NOTE: the vendor's position is that this is not a vulnerability.","status":"published","published":"2023-08-22T00:00:00Z","modified":"2026-10-28T02:30:31.29019706Z","updated_at":"2026-11-02T15:44:25.860945Z"},{"id":"DEBIAN-CVE-2022-34038","description":"Etcd v3.5.4 allows remote attackers to cause a denial of service via function PageWriter.write in pagewriter.go. NOTE: the vendor's position is that this is not a vulnerability.","status":"published","published":"2023-08-22T19:16:23Z","modified":"2026-11-03T06:02:41.417773054Z","updated_at":"2026-11-03T06:43:43.638289Z"}]}}