UBUNTU-CVE-2026-33320

Dasel is a command-line tool and library for querying, modifying, and transforming data structures. Starting in version 3.0.0 and prior to version 3.3.1, Dasel's YAML reader allows an attacker who can supply YAML for processing to trigger extreme CPU and memory consumption. The issue is in the...

CVE-2026-33320 Dasel has unbounded YAML alias expansion in dasel leads to CPU/memory denial of service

Dasel is a command-line tool and library for querying, modifying, and transforming data structures. Starting in version 3.0.0 and prior to version 3.3.1, Dasel's YAML reader allows an attacker who can supply YAML for processing to trigger extreme CPU and memory consumption. The issue is in the...

CVE-2026-33320 Dasel has unbounded YAML alias expansion in dasel leads to CPU/memory denial of service

Dasel is a command-line tool and library for querying, modifying, and transforming data structures. Starting in version 3.0.0 and prior to version 3.3.1, Dasel's YAML reader allows an attacker who can supply YAML for processing to trigger extreme CPU and memory consumption. The issue is in the...

CVE-2026-33320

CVE-2026-33320 affects the Dasel project: versions 3.0.0 through prior to 3.3.1 expose an unbounded CPU/memory denial of service via YAML processing. The flaw lies in Dasel’s UnmarshalYAML implementation, which manually resolves yaml.Node.Alias pointers without any expansion budget, bypassing go-...

PT-2026-26480

Name of the Vulnerable Software and Affected Versions Dasel versions 3.0.0 through 3.3.1 Description Dasel’s YAML reader is susceptible to excessive CPU and memory consumption when processing YAML data supplied by an attacker. This occurs because the library’s UnmarshalYAML implementation...