CVE-2026-48702 Rekor has an OOM Condition due to Unbounded gzip Decompression in Alpine APK Parsing Logic

Rekor is a software supply chain transparency log. Starting in version 0.3.0 and prior to version 1.5.2, the Package.Unmarshal function in pkg/types/alpine/apk.go decompresses the signature and control gzip members of an APK file into in-memory buffers without bounding the total decompressed size...

CVE-2026-48702

CVE-2026-48702 : Rekor before 1.5.2 decompresses APK signatures in Alpine APK parsing without bounding the total decompressed size, enabling a decompression bomb via gzip with extreme ratios. Attackers can trigger unbounded heap allocation during requests to unauthenticated endpoints POST /api/v1...

CVE-2017-9671

A heap overflow in apk Alpine Linux's package manager allows a remote attacker to cause a denial of service, or achieve code execution, by crafting a malicious APKINDEX.tar.gz file with a bad pax header block...