Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2023-5941

In versions of FreeBSD 12.4-RELEASE prior to 12.4-RELEASE-p7 and FreeBSD 13.2-RELEASE prior to 13.2-RELEASE-p5 the __sflush() stdio function in libc does not correctly update FILE objects' write space members for write-buffered streams when the write(2) system call returns an error.  Depending on the nature of an application that calls libc's stdio functions and the presence of errors returned from the write(2) system call (or an overridden stdio write routine) a heap buffer overflow may occur. Such overflows may lead to data corruption or the execution of arbitrary code at the privilege level of the calling program.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.007
EPSS Ranking 70.0%
CVSS Severity
CVSS v3 Score 9.8
Products affected by CVE-2023-5941


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