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From 0e4a6058b130f07cfa52fde8a3cb6f2abfe4c700 Mon Sep 17 00:00:00 2001
From: Changqing Li <changqing.li@windriver.com>
Date: Thu, 1 Nov 2018 15:30:56 +0800
Subject: [PATCH] voutf: fix bad arethmetic when outputting warnings to stderr
CVE-2018-16842
Reported-by: Brian Carpenter
Bug: https://curl.haxx.se/docs/CVE-2018-16842.html
Upstream-Status: Backport [https://github.com/curl/curl/commit
/d530e92f59ae9bb2d47066c3c460b25d2ffeb211]
CVE: CVE-2018-16842
Signed-off-by: Changqing Li <changqing.li@windriver.com>
---
src/tool_msgs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/tool_msgs.c b/src/tool_msgs.c
index 9cce806..05bec39 100644
--- a/src/tool_msgs.c
+++ b/src/tool_msgs.c
@@ -67,7 +67,7 @@ static void voutf(struct GlobalConfig *config,
(void)fwrite(ptr, cut + 1, 1, config->errors);
fputs("\n", config->errors);
ptr += cut + 1; /* skip the space too */
- len -= cut;
+ len -= cut + 1;
}
else {
fputs(ptr, config->errors);
--
2.7.4
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