From ec75530b8d8268cb07d8e476d79e1b0e59492fa2 Mon Sep 17 00:00:00 2001
From: drh
Date: Thu, 18 Aug 2022 15:10:46 +0200
Subject: [PATCH] sqlite: Increase the size of loop variables in the printf() implementation

Increase the size of loop variables in the printf() implementation to avoid integer overflow on multi-gigabyte string arguments. CVE-2022-35737.

This bug fix refers to: CVE-2022-35737 and it's a backport of a fix added in sqlite 3.39.2 (2022-07-21).

Signed-off-by: Ghassane Ben El Aattar ghassaneb.aattar@huawei.com

CVE: CVE-2022-35737

Upstream-Status: Backport [https://www.sqlite.org/src/info/aab790a16e1bdff7]
---
 sqlite3.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sqlite3.c b/sqlite3.c
index f867d62..490199a 100644
--- a/sqlite3.c
+++ b/sqlite3.c
@@ -30234,1 +30234,2 @@ static int vxprintf(
-        int i, j, k, n, isnull;
+        i64  i, j, k, n;
+        int isnull;