CVE-2026-42575

CVE-2026-42575 affects chainguard/apko: before v1.2.7, apko verifies APKINDEX.signed index but does not compare individually downloaded .apk checksums to the index checksum. The ChecksumString() is parsed but never cross-checked with the downloaded package’s control hash in getPackageImpl(), allo...

CVE-2026-42575 apko doesn't verify downloaded apk packages against APKINDEX checksum (package substitution possible)

apko allows users to build and publish OCI container images built from apk packages. Prior to version 1.2.7, apko verifies the signature on APKINDEX.tar.gz but never compares individually downloaded .apk packages against the checksum recorded in the signed index. The checksum is parsed and...

CVE-2026-42575 apko doesn't verify downloaded apk packages against APKINDEX checksum (package substitution possible)

apko allows users to build and publish OCI container images built from apk packages. Prior to version 1.2.7, apko verifies the signature on APKINDEX.tar.gz but never compares individually downloaded .apk packages against the checksum recorded in the signed index. The checksum is parsed and...

apko doesn't verify downloaded apk packages against APKINDEX checksum (package substitution possible)

apko verifies the signature on APKINDEX.tar.gz but never compares individually downloaded .apk packages against the checksum recorded in the signed index. The checksum is parsed and available via ChecksumString, and the downloaded package control hash is computed, but the two values are never...

apko doesn't verify downloaded apk packages against APKINDEX checksum (package substitution possible)

apko verifies the signature on APKINDEX.tar.gz but never compares individually downloaded .apk packages against the checksum recorded in the signed index. The checksum is parsed and available via ChecksumString, and the downloaded package control hash is computed, but the two values are never...

Alpine Linux's package manager buffer overflow vulnerability

Alpine Linux's package manager apk is a package management tool for Linux. The tool is used to install, upgrade or remove software on a running system. A heap buffer overflow vulnerability exists in Alpine Linux's package manager. A remote attacker can exploit this vulnerability by creating a...