Heap out-of-bounds write in BIO_f_linebuffer on short writes

CVE-2025-68160 describes a heap out-of-bounds write vulnerability in the BIO_f_linebuffer functionality of a Microsoft product version 3.0. The issue arises when short writes are processed incorrectly, causing memory beyond the allocated heap buffer to be overwritten. This vulnerability is categorized under CWE-787 (Out-of-bounds Write). No CVSS score or detailed technical exploit information is provided. There is no indication of known exploits in the wild or vendor patch information.

The vulnerability could lead to memory corruption due to out-of-bounds writes on the heap. This may result in application instability, crashes, or potentially enable an attacker to execute arbitrary code depending on the context of exploitation. However, no specific impact details or exploitation reports are available.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is provided in the available data.