CVE-2026-5928

Calling the ungetwc function on a FILE stream with wide characters encoded in a character set that has overlaps between its single byte and multi-byte character encodings, in the GNU C Library version 2.43 or earlier, may result in an attempt to read bytes before an allocated buffer, potentially...

PT-2026-33852

Name of the Vulnerable Software and Affected Versions gnu C Library versions prior to 2.44 Description Calling the ungetwc function on a FILE stream with wide characters encoded in a character set with overlaps between single byte and multi-byte character encodings can lead to an attempt to read...