Double Free

CVE-2018-6952

High

7.5/10

Summary

A double free exists in the another_hunk function in pch.c in GNU patch through 2.7.6.

Attack Complexity: LOW
Attack Vector: NETWORK
Integrity Impact: NONE
Scope: UNCHANGED
User Interaction: NONE
Privileges Required: NONE
Confidentiality Impact: NONE
Availability Impact: HIGH

CWE-415 - Double Free

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

References

Advisory Timeline

Published Feb 13, 2018