Headline
CVE-2022-1898: patch 8.2.5024: using freed memory with "]d" · vim/vim@e2fa213
Use After Free in GitHub repository vim/vim prior to 8.2.
@@ -4464,6 +4464,11 @@ nv_brackets(cmdarg_T *cap) clearop(cap->oap); else { // Make a copy, if the line was changed it will be freed. ptr = vim_strnsave(ptr, len); if (ptr == NULL) return;
find_pattern_in_path(ptr, 0, len, TRUE, cap->count0 == 0 ? !isupper(cap->nchar) : FALSE, ((cap->nchar & 0xf) == (‘d’ & 0xf)) ? FIND_DEFINE : FIND_ANY, @@ -4472,6 +4477,7 @@ nv_brackets(cmdarg_T *cap) islower(cap->nchar) ? ACTION_SHOW : ACTION_GOTO, cap->cmdchar == ']' ? curwin->w_cursor.lnum + 1 : (linenr_T)1, (linenr_T)MAXLNUM); vim_free(ptr); curwin->w_set_curswant = TRUE; } }
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