{"id":"CVE-2026-54448","state":"PUBLISHED","title":"Trivy: Helm chart tar bomb causes OOM via unbounded io.ReadAll in parser","description":"Trivy is a security scanner. Prior to 0.71.0, when Trivy scans a Helm chart archive (.tgz), its custom tar unpacker reads each entry with io.ReadAll(tr) and no size limit. An attacker who can place a malicious .tgz file in the scanned path can craft a small compressed archive that decompresses to gigabytes, causing the Trivy process to be killed by the OS OOM killer. This vulnerability is fixed in 0.71.0.","publishedAt":"2026-06-25T16:27:33.659Z","updatedAt":"2026-06-25T18:55:50.084Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["aquasecurity trivy"],"affected":[{"vendor":"aquasecurity","product":"trivy","versions":[{"version":"< 0.71.0","status":"affected"}]}],"references":["https://github.com/aquasecurity/trivy/security/advisories/GHSA-q3fv-x8vg-qqm4","https://github.com/aquasecurity/trivy/pull/10718"],"weaknesses":["CWE-770","CWE-789"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/54xxx/CVE-2026-54448.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54448","state":"PUBLISHED","datePublished":"2026-06-25T16:27:33.659Z","dateUpdated":"2026-06-25T18:55:50.084Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-15T15:30:40.317Z"},"containers":{"cna":{"title":"Trivy: Helm chart tar bomb causes OOM via unbounded io.ReadAll in parser","descriptions":[{"lang":"en","value":"Trivy is a security scanner. Prior to 0.71.0, when Trivy scans a Helm chart archive (.tgz), its custom tar unpacker reads each entry with io.ReadAll(tr) and no size limit. An attacker who can place a malicious .tgz file in the scanned path can craft a small compressed archive that decompresses to gigabytes, causing the Trivy process to be killed by the OS OOM killer. This vulnerability is fixed in 0.71.0."}],"affected":[{"vendor":"aquasecurity","product":"trivy","versions":[{"version":"< 0.71.0","status":"affected"}]}],"references":[{"url":"https://github.com/aquasecurity/trivy/security/advisories/GHSA-q3fv-x8vg-qqm4","name":"https://github.com/aquasecurity/trivy/security/advisories/GHSA-q3fv-x8vg-qqm4","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/aquasecurity/trivy/pull/10718","name":"https://github.com/aquasecurity/trivy/pull/10718","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-770","lang":"en","description":"CWE-770: Allocation of Resources Without Limits or Throttling","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-789","lang":"en","description":"CWE-789: Memory Allocation with Excessive Size Value","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-06-25T16:27:33.659Z"},"source":{"advisory":"GHSA-q3fv-x8vg-qqm4","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/aquasecurity/trivy/security/advisories/GHSA-q3fv-x8vg-qqm4","tags":["exploit"]},{"url":"https://github.com/aquasecurity/trivy/pull/10718","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-25T18:55:22.152737Z","id":"CVE-2026-54448","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-25T18:55:50.084Z"}}]}}}