From e3662a7ccb070685dd6f2a1516010a1494c44201 Mon Sep 17 00:00:00 2001
From: Nickolay Olshevsky <o.nickolay@gmail.com>
Date: Sun, 28 Jul 2024 11:34:09 +0300
Subject: [PATCH] Fix CID 1547465: Integer handling issues
---
src/librepgp/stream-armor.cpp | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/librepgp/stream-armor.cpp b/src/librepgp/stream-armor.cpp
index bb9355b8..dc1e12e8 100644
--- a/src/librepgp/stream-armor.cpp
+++ b/src/librepgp/stream-armor.cpp
@@ -1154,10 +1154,10 @@ pgp_source_t::is_cleartext()
char buf[ARMORED_PEEK_BUF_SIZE] = {0};
size_t read = 0;
- if (!peek(buf, sizeof(buf), &read) || (read < strlen(ST_CLEAR_BEGIN))) {
+ if (!peek(buf, sizeof(buf) - 1, &read) || (read < strlen(ST_CLEAR_BEGIN))) {
return false;
}
- buf[read - 1] = 0;
+ buf[read] = 0;
return !!strstr(buf, ST_CLEAR_BEGIN);
}