From: Tim Kientzle <kientzle@acm.org>
Date: Sat, 1 Nov 2025 05:07:19 +0000 (-0700)
Subject: Merge pull request #2768 from Commandoss/master
X-Git-Tag: v3.8.3~13
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=82b57a9740aa6d084edcf4592a3b8e49f63dec98;p=thirdparty%2Flibarchive.git

Merge pull request #2768 from Commandoss/master

Fix for an out-of-bounds buffer overrun when using p[H_LEVEL_OFFSET]

(cherry picked from commit ce614c65246158bcb0dc1f9c1dce5a5af65f9827)
---

diff --git a/libarchive/archive_read_support_format_lha.c b/libarchive/archive_read_support_format_lha.c
index 2a84ad9dd..abf8b8799 100644
--- a/libarchive/archive_read_support_format_lha.c
+++ b/libarchive/archive_read_support_format_lha.c
@@ -689,7 +689,7 @@ archive_read_format_lha_read_header(struct archive_read *a,
 	 * a pathname and a symlink has '\' character, a directory
 	 * separator in DOS/Windows. So we should convert it to '/'.
 	 */
-	if (p[H_LEVEL_OFFSET] == 0)
+	if (lha->level == 0)
 		lha_replace_path_separator(lha, entry);
 
 	archive_entry_set_mode(entry, lha->mode);