GNU Chess 6.2.7 allows attackers to execute arbitrary code via crafted PGN (Portable Game Notation) data. This is related to a buffer overflow in the use of a .tmp.epd temporary file in the cmd_pgnload and cmd_pgnreplay functions in frontend/cmd.cc.
CVSS Score
7.8
EPSS Score
0.014
Published
2021-04-07
In GNU Chess 6.2.5, there is a stack-based buffer overflow in the cmd_load function in frontend/cmd.cc via a crafted chess position in an EPD file.
CVSS Score
7.8
EPSS Score
0.003
Published
2019-08-29
Stack-based buffer overflow in the ValidateMove function in frontend/move.cc in GNU Chess (aka gnuchess) before 6.2.4 might allow context-dependent attackers to execute arbitrary code via a large input, as demonstrated when in UCI mode.
CVSS Score
9.8
EPSS Score
0.032
Published
2017-01-23
Buffer overflow in GNU Chess (gnuchess) 5.02 and earlier, if modified or used in a networked capacity contrary to its own design as a single-user application, may allow local or remote attackers to execute arbitrary code via a long command.
CVSS Score
7.5
EPSS Score
0.032
Published
2002-05-16