From: Wei-Cheng Pan <legnaleurc@gmail.com>
Date: Sun, 21 Apr 2024 16:55:41 +0000 (+0900)
Subject: fix: OOB in rar e8 filter (#2135)
X-Git-Tag: v3.7.4~13
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eb7939b24a681a04648a59cdebd386b1e9dc9237;p=thirdparty%2Flibarchive.git

fix: OOB in rar e8 filter (#2135)

This patch fixes an out-of-bound error in rar e8 filter.
---

diff --git a/libarchive/archive_read_support_format_rar.c b/libarchive/archive_read_support_format_rar.c
index 99a11d170..266d0ee99 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++)