Security vulnerabilities and automated fixes for gzip bomb issues
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CVE-2026-59873 is a critical Denial of Service vulnerability in the `node-tar` package (versions before 7.5.19) that allows an attacker to trigger resource exhaustion by supplying a crafted gzip bomb archive. The fix upgrades `tar` from 7.5.16 to 7.5.19 in both `package.json` and `package-lock.json`, closing the attack surface for any Node.js application that processes tar archives. Because this package is used in production code — not just in tests — the exposure was real and immediate.