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.
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History
Thu, 25 Jun 2026 19:30:00 +0000
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Thu, 25 Jun 2026 16:45:00 +0000
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| 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. | |
| Title | Trivy: Helm chart tar bomb causes OOM via unbounded io.ReadAll in parser | |
| Weaknesses | CWE-770 CWE-789 |
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cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-06-25T18:55:50.084Z
Reserved: 2026-06-15T15:30:40.317Z
Link: CVE-2026-54448
Updated: 2026-06-25T18:55:05.645Z
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OpenCVE Enrichment
Updated: 2026-06-25T18:15:04Z