{"id":"CVE-2026-44050","state":"PUBLISHED","title":"Heap buffer overflow in CNID daemon comm_rcv()","description":"A heap-based buffer overflow in the CNID daemon comm_rcv() function in Netatalk 2.0.0 through 4.4.2 allows a remote authenticated attacker to execute arbitrary code with escalated privileges or cause a denial of service.","publishedAt":"2026-05-21T07:34:21.459Z","updatedAt":"2026-05-22T03:56:03.551Z","severity":{"score":9.9,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","source":"securin"},"assigner":"securin","products":["Netatalk Netatalk"],"affected":[{"vendor":"Netatalk","product":"Netatalk","defaultStatus":"unaffected","versions":[{"version":"2.0.0","status":"affected","lessThanOrEqual":"4.4.2","versionType":"semver"},{"version":"4.4.3","status":"unaffected","versionType":"semver"}]}],"references":["https://netatalk.io/security/CVE-2026-44050"],"weaknesses":["CWE-122"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/44xxx/CVE-2026-44050.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44050","state":"PUBLISHED","datePublished":"2026-05-21T07:34:21.459Z","dateUpdated":"2026-05-22T03:56:03.551Z","assignerShortName":"securin","assignerOrgId":"33c584b5-0579-4c06-b2a0-8d8329fcab9c","dateReserved":"2026-05-05T07:24:42.291Z"},"containers":{"cna":{"title":"Heap buffer overflow in CNID daemon comm_rcv()","descriptions":[{"lang":"en","value":"A heap-based buffer overflow in the CNID daemon comm_rcv() function in Netatalk 2.0.0 through 4.4.2 allows a remote authenticated attacker to execute arbitrary code with escalated privileges or cause a denial of service."}],"affected":[{"vendor":"Netatalk","product":"Netatalk","defaultStatus":"unaffected","versions":[{"version":"2.0.0","status":"affected","lessThanOrEqual":"4.4.2","versionType":"semver"},{"version":"4.4.3","status":"unaffected","versionType":"semver"}]}],"references":[{"url":"https://netatalk.io/security/CVE-2026-44050","name":"Netatalk Security Advisory CVE-2026-44050","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":9.9,"baseSeverity":"CRITICAL"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","lang":"en","type":"CWE","description":"Heap-based Buffer Overflow"}]}],"providerMetadata":{"shortName":"securin","orgId":"33c584b5-0579-4c06-b2a0-8d8329fcab9c","dateUpdated":"2026-05-21T07:52:13.123Z"},"credits":[{"lang":"en","type":"finder","value":"Arjun Basnet from Securin"}],"datePublic":"2026-05-13T00:00:00.000Z"},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-21T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-44050"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-22T03:56:03.551Z"}}]}}}