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.
http://www.openwall.com/lists/oss-security/2016/11/14/12
http://www.openwall.com/lists/oss-security/2016/11/14/11
http://www.openwall.com/lists/oss-security/2016/11/13/2
http://svn.savannah.gnu.org/viewvc/chess?revision=134&view=revision
Source: Mitre, NVD
Published: 2017-01-23
Updated: 2025-04-20
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.03207