CVE-2020-24240

GNU Bison before 3.7.1 has a use-after-free in obstackfree in lib/obstack.c called from gramlex when a '\0' byte is encountered. NOTE: there is a risk only if Bison is used with untrusted input, and the observed bug happens to cause unsafe behavior with a specific compiler/architecture. The bug...

Use After Free

GNU Bison has a use-after-free in obstackfree in lib/obstack.c called from gramlex when a '\0' byte is encountered. NOTE: there is a risk only if Bison is used with untrusted input, and the observed bug happens to cause unsafe behavior with a specific compiler/architecture. The bug report was...