libarchive/CVE-2024-20697.patch

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From 2910a5736c3f238d2cde6cc757b01868d877ebcb Mon Sep 17 00:00:00 2001
From: Wei-Cheng Pan <legnaleurc@gmail.com>
Date: Sun, 21 Apr 2024 19:11:42 +0900
Subject: [PATCH] fix: OOB in rar e8 filter
---
libarchive/archive_read_support_format_rar.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libarchive/archive_read_support_format_rar.c b/libarchive/archive_read_support_format_rar.c
index 99a11d1700..266d0ee995 100644
--- a/libarchive/archive_read_support_format_rar.c
+++ b/libarchive/archive_read_support_format_rar.c
@@ -3615,7 +3615,7 @@ execute_filter_e8(struct rar_filter *filter, struct rar_virtual_machine *vm, siz
uint32_t filesize = 0x1000000;
uint32_t i;
- if (length > PROGRAM_WORK_SIZE || length < 4)
+ if (length > PROGRAM_WORK_SIZE || length <= 4)
return 0;
for (i = 0; i <= length - 5; i++)