CVSS 3.1 Score 6.5 of 10 (medium)


Published Oct 6, 2023
Updated: Apr 11, 2024
CWE ID 416


CVE-2023-45322 is a use-after-free vulnerability in libxml2 through version 2.11.5. The vulnerability occurs in the xmlUnlinkNode function in tree.c and can only be exploited after a specific memory allocation fails. The affected products include Qtr9ur, Qtr9uq, Qtr9up, Qtr9uo, Qtr9uv, Qtr9uu, Qtr9ut, Qtr9us, rqMo8w, and many others. The vendor disputes the severity of the issue, stating that an attacker typically cannot control when memory allocations fail. However, the vulnerability has a base severity rating of MEDIUM with a base score of 6.5 according to NIST. It requires user interaction and can potentially lead to high availability impact for organizations.

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