========================================================================== Ubuntu Security Notice USN-5531-1 July 26, 2022
protobuf-c vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: Several security issues were fixed in protobuf-c. Software Description: - protobuf-c: Protocol Buffers C static library and headers (protobuf-c) Details: Pietro Borrello discovered that protobuf-c contained an invalid arithmetic shift. This vulnerability allowed attackers to cause a denial of service (system crash) via unspecified vectors (CVE-2022-33070). It was discovered that protobuf-c contained an unsigned integer overflow. This vulnerability allowed attackers to cause a denial of service (system crash) via unspecified vectors. Todd Miller discovered that protobuf-c contained a possible NULL dereference. This could cause a vulnerability that allowed attackers to cause a denial of service (system crash) via unspecified vectors. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS: protobuf-c-compiler 1.3.3-1ubuntu2.1 Ubuntu 20.04 LTS: protobuf-c-compiler 1.3.3-1ubuntu0.1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5531-1 CVE-2022-33070 Package Information: https://launchpad.net/ubuntu/+source/protobuf-c/1.3.3-1ubuntu2.1 https://launchpad.net/ubuntu/+source/protobuf-c/1.3.3-1ubuntu0.1
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