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GO-2026-4577
malcontent: Nested archive extraction failure can drop content from scan inputs in github.com/chainguard-dev/malcontent
Quick fix
GO-2026-4577 — github.com/chainguard-dev/malcontent: upgrade to the fixed version with the command below.
go get github.com/chainguard-dev/malcontent@v1.21.0Details
malcontent: Nested archive extraction failure can drop content from scan inputs in github.com/chainguard-dev/malcontent
Are you affected?
Enter the version of the package you're using.
Affected packages
Go/github.com/chainguard-dev/malcontent
Introduced in:
0Fixed in: 1.21.0Fix
go get github.com/chainguard-dev/malcontent@v1.21.0References
- https://github.com/chainguard-dev/malcontent/security/advisories/GHSA-945p-3jhm-6rcp[ADVISORY]
- https://nvd.nist.gov/vuln/detail/CVE-2026-28407[ADVISORY]
- https://github.com/chainguard-dev/malcontent/commit/356c56659ccfcad0b249a97de8cf71f151ed3ee9[FIX]
- https://github.com/chainguard-dev/malcontent/pull/1383[FIX]