Use-after-Free Vulnerability in cflow by GNU

CVE-2020-23856

What is CVE-2020-23856?

A Use-after-Free vulnerability exists in cflow 1.6, specifically within the void call(char *name, int line) function located at src/parser.c. This flaw arises from the misuse of a pointer variable, caller->callee, which can be exploited to trigger a denial of service condition. Attackers may manipulate memory access, leading to unexpected behaviors and potential crashes of the application.

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References