CVE-2026-48044

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.23.0 until 1.35.11, 1.36.7, 1.37.3, and 1.38.1, a vulnerability has been identified in Envoy's zstd decompressor implementation ZstdDecompressorImpl. When zstd decompression is enabled, processing a...

CVE-2026-48044 Envoy Zstd Decompressor: Ratio Check at Wrong Loop Depth lead to memory explosion

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.23.0 until 1.35.11, 1.36.7, 1.37.3, and 1.38.1, a vulnerability has been identified in Envoy's zstd decompressor implementation ZstdDecompressorImpl. When zstd decompression is enabled, processing a...

CVE-2026-48044

Summary: CVE-2026-48044 affects Envoy’s zstd decompressor (ZstdDecompressorImpl). From 1.23.0 through 1.35.11, 1.36.7, 1.37.3, and 1.38.1, specially crafted, highly compressed zstd payloads can trigger massive memory allocation when decompression is enabled, potentially causing memory exhaustion ...