Vulnerability in GNU C Library impacting memory handling

CVE-2021-35942

Summary

The GNU C Library (glibc) contains a vulnerability in the wordexp function, allowing for unexpected behavior when provided with crafted patterns. This flaw can lead to denial of service conditions or unauthorized information disclosure. The vulnerability arises from the use of the atoi function where strtoul should have been utilized, creating risks related to incorrect calculations and memory access. Proper validation and usage of functions are critical to mitigate these risks, and users are advised to update their systems to the latest versions to safeguard against potential exploitation.

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