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authorzeertzjq <zeertzjq@outlook.com>2025-03-06 07:08:53 +0800
committerGitHub <noreply@github.com>2025-03-06 07:08:53 +0800
commit761e920280ccedb823a56b9da7f02aaf4e1051aa (patch)
treecb1d136426d5007a1201cda9a8469bb126e5d63c /src
parent35e5307af25785ac90bd00f913fc0df5cf962db3 (diff)
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vim-patch:9.1.1172: [security]: overflow with 'nostartofline' and Ex command in tag file (#32739)
Problem: heap-buffer-overflow with 'nostartofline' and Ex command in tag file. Solution: Set cursor column when moving cursor to line 1 (zeertzjq). closes: vim/vim#16796 https://github.com/vim/vim/commit/3ed6659549e447ff00def8edc841321e497f70a8
Diffstat (limited to 'src')
-rw-r--r--src/nvim/tag.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/nvim/tag.c b/src/nvim/tag.c
index 557d41a467..baa862f57a 100644
--- a/src/nvim/tag.c
+++ b/src/nvim/tag.c
@@ -2986,6 +2986,8 @@ static int jumpto_tag(const char *lbuf_arg, int forceit, bool keep_help)
secure = 1;
sandbox++;
curwin->w_cursor.lnum = 1; // start command in line 1
+ curwin->w_cursor.col = 0;
+ curwin->w_cursor.coladd = 0;
do_cmdline_cmd(pbuf);
retval = OK;