From: Vijay Anusuri <[email protected]> Pick patch according to [1]
[1] https://security-tracker.debian.org/tracker/CVE-2026-4111 [2] https://github.com/libarchive/libarchive/pull/2877 [3] https://access.redhat.com/errata/RHSA-2026:5080 Signed-off-by: Vijay Anusuri <[email protected]> --- .../libarchive/CVE-2026-4111-1.patch | 32 ++ .../libarchive/CVE-2026-4111-2.patch | 308 ++++++++++++++++++ .../libarchive/libarchive_3.6.2.bb | 2 + 3 files changed, 342 insertions(+) create mode 100644 meta/recipes-extended/libarchive/libarchive/CVE-2026-4111-1.patch create mode 100644 meta/recipes-extended/libarchive/libarchive/CVE-2026-4111-2.patch diff --git a/meta/recipes-extended/libarchive/libarchive/CVE-2026-4111-1.patch b/meta/recipes-extended/libarchive/libarchive/CVE-2026-4111-1.patch new file mode 100644 index 0000000000..1f065b1364 --- /dev/null +++ b/meta/recipes-extended/libarchive/libarchive/CVE-2026-4111-1.patch @@ -0,0 +1,32 @@ +From 7273d04803a1e5a482f26d8d0fbaf2b204a72168 Mon Sep 17 00:00:00 2001 +From: Tim Kientzle <[email protected]> +Date: Sun, 1 Mar 2026 20:24:56 -0800 +Subject: [PATCH] Reject filters when the block length is nonsensical + +Credit: Grzegorz Antoniak @antekone + +Upstream-Status: Backport [https://github.com/libarchive/libarchive/commit/7273d04803a1e5a482f26d8d0fbaf2b204a72168] +CVE: CVE-2026-4111 +Signed-off-by: Vijay Anusuri <[email protected]> +--- + libarchive/archive_read_support_format_rar5.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +diff --git a/libarchive/archive_read_support_format_rar5.c b/libarchive/archive_read_support_format_rar5.c +index 38979cb..867f0a8 100644 +--- a/libarchive/archive_read_support_format_rar5.c ++++ b/libarchive/archive_read_support_format_rar5.c +@@ -2914,7 +2914,9 @@ static int parse_filter(struct archive_read* ar, const uint8_t* p) { + if(block_length < 4 || + block_length > 0x400000 || + filter_type > FILTER_ARM || +- !is_valid_filter_block_start(rar, block_start)) ++ !is_valid_filter_block_start(rar, block_start) || ++ (rar->cstate.window_size > 0 && ++ (ssize_t)block_length > rar->cstate.window_size >> 1)) + { + archive_set_error(&ar->archive, ARCHIVE_ERRNO_FILE_FORMAT, + "Invalid filter encountered"); +-- +2.25.1 + diff --git a/meta/recipes-extended/libarchive/libarchive/CVE-2026-4111-2.patch b/meta/recipes-extended/libarchive/libarchive/CVE-2026-4111-2.patch new file mode 100644 index 0000000000..243a03a8e5 --- /dev/null +++ b/meta/recipes-extended/libarchive/libarchive/CVE-2026-4111-2.patch @@ -0,0 +1,308 @@ +From ef53e2023d75a205cf7cbddb5d01c4cc592e9ce4 Mon Sep 17 00:00:00 2001 +From: Tim Kientzle <[email protected]> +Date: Sun, 1 Mar 2026 10:04:01 -0800 +Subject: [PATCH] Infinite loop in Rar5 decompression + +Found by: Elhanan Haenel + +Upstream-Status: Backport [https://github.com/libarchive/libarchive/commit/ef53e2023d75a205cf7cbddb5d01c4cc592e9ce4] +CVE: CVE-2026-4111 +Signed-off-by: Vijay Anusuri <[email protected]> +--- + Makefile.am | 2 + + libarchive/test/CMakeLists.txt | 1 + + .../test/test_read_format_rar5_loop_bug.c | 53 +++++ + .../test_read_format_rar5_loop_bug.rar.uu | 189 ++++++++++++++++++ + 4 files changed, 245 insertions(+) + create mode 100644 libarchive/test/test_read_format_rar5_loop_bug.c + create mode 100644 libarchive/test/test_read_format_rar5_loop_bug.rar.uu + +diff --git a/Makefile.am b/Makefile.am +index dd1620d..14edb2a 100644 +--- a/Makefile.am ++++ b/Makefile.am +@@ -507,6 +507,7 @@ libarchive_test_SOURCES= \ + libarchive/test/test_read_format_rar_invalid1.c \ + libarchive/test/test_read_format_rar_overflow.c \ + libarchive/test/test_read_format_rar5.c \ ++ libarchive/test/test_read_format_rar5_loop_bug.c \ + libarchive/test/test_read_format_raw.c \ + libarchive/test/test_read_format_tar.c \ + libarchive/test/test_read_format_tar_concatenated.c \ +@@ -869,6 +870,7 @@ libarchive_test_EXTRA_DIST=\ + libarchive/test/test_read_format_rar5_invalid_dict_reference.rar.uu \ + libarchive/test/test_read_format_rar5_leftshift1.rar.uu \ + libarchive/test/test_read_format_rar5_leftshift2.rar.uu \ ++ libarchive/test/test_read_format_rar5_loop_bug.rar.uu \ + libarchive/test/test_read_format_rar5_multiarchive.part01.rar.uu \ + libarchive/test/test_read_format_rar5_multiarchive.part02.rar.uu \ + libarchive/test/test_read_format_rar5_multiarchive.part03.rar.uu \ +diff --git a/libarchive/test/CMakeLists.txt b/libarchive/test/CMakeLists.txt +index 05c6fd7..c8f2e90 100644 +--- a/libarchive/test/CMakeLists.txt ++++ b/libarchive/test/CMakeLists.txt +@@ -156,6 +156,7 @@ IF(ENABLE_TEST) + test_read_format_rar_filter.c + test_read_format_rar_overflow.c + test_read_format_rar5.c ++ test_read_format_rar5_loop_bug.c + test_read_format_raw.c + test_read_format_tar.c + test_read_format_tar_concatenated.c +diff --git a/libarchive/test/test_read_format_rar5_loop_bug.c b/libarchive/test/test_read_format_rar5_loop_bug.c +new file mode 100644 +index 0000000..77dd78c +--- /dev/null ++++ b/libarchive/test/test_read_format_rar5_loop_bug.c +@@ -0,0 +1,53 @@ ++/*- ++ * Copyright (c) 2026 Tim Kientzle ++ * All rights reserved. ++ * ++ * Redistribution and use in source and binary forms, with or without ++ * modification, are permitted provided that the following conditions ++ * are met: ++ * 1. Redistributions of source code must retain the above copyright ++ * notice, this list of conditions and the following disclaimer. ++ * 2. Redistributions in binary form must reproduce the above copyright ++ * notice, this list of conditions and the following disclaimer in the ++ * documentation and/or other materials provided with the distribution. ++ * ++ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR ++ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES ++ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ++ * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, ++ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT ++ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ++ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ++ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ++ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF ++ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ++ */ ++#include "test.h" ++ ++DEFINE_TEST(test_read_format_rar5_loop_bug) ++{ ++ const char *reffile = "test_read_format_rar5_loop_bug.rar"; ++ struct archive_entry *ae; ++ struct archive *a; ++ const void *buf; ++ size_t size; ++ la_int64_t offset; ++ ++ extract_reference_file(reffile); ++ assert((a = archive_read_new()) != NULL); ++ assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a)); ++ assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a)); ++ assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, reffile, 10240)); ++ ++ // This has just one entry ++ assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae)); ++ ++ // Read blocks until the end of the entry ++ while (ARCHIVE_OK == archive_read_data_block(a, &buf, &size, &offset)) { ++ } ++ ++ assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae)); ++ ++ assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a)); ++ assertEqualInt(ARCHIVE_OK, archive_free(a)); ++} +diff --git 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"http://libarchive.org/downloads/libarchive-${PV}.tar.gz \ file://0001-Merge-pull-request-2768-from-Commandoss-master.patch \ file://CVE-2025-60753-01.patch \ file://CVE-2025-60753-02.patch \ + file://CVE-2026-4111-1.patch \ + file://CVE-2026-4111-2.patch \ " UPSTREAM_CHECK_URI = "http://libarchive.org/"; -- 2.25.1
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