CVE-2022-33070Medium · CVSS 5.5EPSS 1.11%No fix publishedCVE-2022-33070Protobuf-c v1.4.0 was discovered to contain an invalid arithmetic shift via the function parse_tag_and_wiretype in protobuf-c/protobuf-c.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via unspecified vectors.ocservOperating systemsPublished June 22, 2022Updated October 8, 2026Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗