Your submission was sent successfully! Close

USN-5531-1: protobuf-c vulnerability

26 July 2022

Several security issues were fixed in protobuf-c.

Releases

Packages

  • 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
Ubuntu 20.04

In general, a standard system update will make all the necessary changes.

References