libaspell.a in GNU Aspell before 0.60.8 has a buffer over-read for a string ending with a single '\0' byte, if the encoding is set to ucs-2 or ucs-4 outside of the application, as demonstrated by the ASPELL_CONF environment variable.
{ "binaries": [ { "binary_version": "0.60.7~20110707-1ubuntu1+esm2", "binary_name": "aspell" }, { "binary_version": "0.60.7~20110707-1ubuntu1+esm2", "binary_name": "libaspell-dev" }, { "binary_version": "0.60.7~20110707-1ubuntu1+esm2", "binary_name": "libaspell15" }, { "binary_version": "0.60.7~20110707-1ubuntu1+esm2", "binary_name": "libpspell-dev" } ] }
{ "binaries": [ { "binary_version": "0.60.7~20110707-3ubuntu0.1+esm1", "binary_name": "aspell" }, { "binary_version": "0.60.7~20110707-3ubuntu0.1+esm1", "binary_name": "libaspell-dev" }, { "binary_version": "0.60.7~20110707-3ubuntu0.1+esm1", "binary_name": "libaspell15" }, { "binary_version": "0.60.7~20110707-3ubuntu0.1+esm1", "binary_name": "libpspell-dev" } ] }
{ "binaries": [ { "binary_version": "0.60.7~20110707-4ubuntu0.2", "binary_name": "aspell" }, { "binary_version": "0.60.7~20110707-4ubuntu0.2", "binary_name": "libaspell-dev" }, { "binary_version": "0.60.7~20110707-4ubuntu0.2", "binary_name": "libaspell15" }, { "binary_version": "0.60.7~20110707-4ubuntu0.2", "binary_name": "libpspell-dev" } ] }