CVE-2025-4802 is a high-severity vulnerability affecting the GNU C Library (glibc) versions 2.27 to 2.38. This vulnerability allows attackers to exploit an untrusted LD_LIBRARY_PATH environment variable, which enables the loading of attacker-controlled dynamically shared libraries within statically compiled setuid binaries. This includes scenarios where the dlopen function is invoked, either directly or as part of internal calls, leading to significant security risks.
The CVSS score for this vulnerability is 7.8, categorized as high severity. The potential risk to organizations includes unauthorized access, data integrity compromise, and disruptions to availability due to the nature of the exploitation. Attackers may leverage this vulnerability to load malicious libraries, which can execute arbitrary code with elevated privileges.
Currently, this vulnerability is marked as having a known exploit, underscoring the urgency for organizations to prioritize patching. Organizations should address this vulnerability immediately to mitigate the risk of exploitation.
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