PBC Denial of Service Vulnerability

PBC is a Google Protocol buffer library for C from the personal developer of cloudwu in China. A denial-of-service vulnerability exists in PBC 2022-8-27 and prior versions, which stems from a segmentation error in the PBC_wmessage_integer function in src/wmessage.c:137. An attacker could exploit the vulnerability to launch a denial-of-service attack.