Fix memory-safety bugs in the ispell/hunspell dictionary loader. Allocate CompoundAffix with room for its terminator, initialize the old-format flag buffer before NIAddAffix(), and reject incomplete or missing Hunspell AF aliases. None of these errors would be likely to trigger on real dictionary files, accounting for the lack of previous reports; but they're certainly bugs.
Bug: #19595 Reported-by: Michael Malis <[email protected]> Author: Andrey Rachitskiy <[email protected]> Reviewed-by: Tom Lane <[email protected]> Discussion: https://postgr.es/m/[email protected] Backpatch-through: 14 Branch ------ REL_16_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/444038bb78d5d5f950e9f9bd5166c4f79bc3d4c0 Modified Files -------------- src/backend/tsearch/spell.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-)
