The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2020:4443 advisory.

  - In Libarchive 3.4.0, archive_wstring_append_from_mbs in archive_string.c has an out-of-bounds read because     of an incorrect mbrtowc or mbtowc call. For example, bsdtar crashes via a crafted archive.
    (CVE-2019-19221)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED12 / SLES12 / SLES_SAP12 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2021:3722-1 advisory.

    - CVE-2019-19221: Fixed out-of-bounds read caused by incorrect mbrtowc or mbtowc call (bsc#1157569)

    - backporting symlink security fixes from 3.5.2:
      - extracting with ACLs modifies ACLs of target (bsc#1192425)
      - modifies file flags of target (bsc#1192426)
      - avoid follow on fixup entries (bsc#1192427)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to the version of the libarchive package installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - In Libarchive 3.4.0, archive_wstring_append_from_mbs in     archive_string.c has an out-of-bounds read because of     an incorrect mbrtowc or mbtowc call. For example,     bsdtar crashes via a crafted archive.(CVE-2019-19221)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Debian 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-2987 advisory.

    Three issues have been found in libarchive, a multi-format archive and compression library. CVE-2021-31566     symbolic links incorrectly followed when changing modes, times, ACL and flags of a file while extracting     an archive CVE-2021-23177 extracting a symlink with ACLs modifies ACLs of target CVE-2019-19221 out-of-     bounds read because of an incorrect mbrtowc or mbtowc call For Debian 9 stretch, these problems have been     fixed in version 3.2.2-2+deb9u3. We recommend that you upgrade your libarchive packages. For the detailed     security status of libarchive please refer to its security tracker page at: https://security-     tracker.debian.org/tracker/libarchive Further information about Debian LTS security advisories, how to     apply these updates to your system and frequently asked questions can be found at:
    https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the version of the libarchive package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerability :

  - In Libarchive 3.4.0, archive_wstring_append_from_mbs in     archive_string.c has an out-of-bounds read because of     an incorrect mbrtowc or mbtowc call. For example,     bsdtar crashes via a crafted archive.(CVE-2019-19221)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - In Libarchive 3.4.0, archive_wstring_append_from_mbs in archive_string.c has an out-of-bounds read because     of an incorrect mbrtowc or mbtowc call. For example, bsdtar crashes via a crafted archive.
    (CVE-2019-19221)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-4443 advisory.

    [3.3.2-9]
    - Fix out-of-bounds read (CVE-2019-19221) (#1803967)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2022:0019 advisory.

    Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:

    CVE-2019-1000019:
    libarchive version commit bf9aec176c6748f0ee7a678c5f9f9555b9a757c1 onwards (release v3.0.2 onwards)     contains a CWE-125: Out-of-bounds Read vulnerability in 7zip decompression,     archive_read_support_format_7zip.c, header_bytes() that can result in a crash (denial of service). This     attack appears to be exploitable via the victim opening a specially crafted 7zip file.

    CVE-2019-1000020:
    libarchive version commit 5a98dcf8a86364b3c2c469c85b93647dfb139961 onwards (version v2.8.0 onwards)     contains a CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in ISO9660     parser, archive_read_support_format_iso9660.c, read_CE()/parse_rockridge() that can result in DoS by     infinite loop. This attack appears to be exploitable via the victim opening a specially crafted ISO9660     file.

    CVE-2019-18408:
    archive_read_format_rar_read_data in archive_read_support_format_rar.c in libarchive before 3.4.0 has a     use-after-free in a certain ARCHIVE_FAILED situation, related to Ppmd7_DecodeSymbol.

    CVE-2019-19221:
    In Libarchive 3.4.0, archive_wstring_append_from_mbs in archive_string.c has an out-of-bounds read because     of an incorrect mbrtowc or mbtowc call. For example, bsdtar crashes via a crafted archive.

    CVE-2021-23177:
    ** RESERVED ** This candidate has been reserved by an organization or individual that will use it when     announcing a new security problem. When the candidate has been publicized, the details for this candidate     will be provided.

    CVE-2021-31566:
    ** RESERVED ** This candidate has been reserved by an organization or individual that will use it when     announcing a new security problem. When the candidate has been publicized, the details for this candidate     will be provided.

Tenable has extracted the preceding description block directly from the Tencent Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名前	製品	ファミリー	公開日	更新日	深刻度
157553	AlmaLinux 8 : libarchive (ALSA-2020:4443)	Nessus	Alma Linux Local Security Checks	2022/2/9	2023/11/13	medium
155578	SUSE SLED12 / SLES12 Security Update : libarchive (SUSE-SU-2021:3722-1)	Nessus	SuSE Local Security Checks	2021/11/18	2026/6/25	medium
140868	EulerOS 2.0 SP3 : libarchive (EulerOS-SA-2020-2101)	Nessus	Huawei Local Security Checks	2020/9/28	2024/2/19	medium
160408	Debian DLA-2987-1 : libarchive - LTS security update	Nessus	Debian Local Security Checks	2022/5/2	2025/1/24	high
137998	EulerOS Virtualization 3.0.6.0 : libarchive (EulerOS-SA-2020-1779)	Nessus	Huawei Local Security Checks	2020/7/1	2024/3/5	medium
222747	Linux Distros Unpatched Vulnerability : CVE-2019-19221	Nessus	Misc.	2025/3/4	2026/8/1	medium
142743	Oracle Linux 8 : libarchive (ELSA-2020-4443)	Nessus	Oracle Linux Local Security Checks	2020/11/12	2024/10/22	medium
137025	EulerOS 2.0 SP5 : libarchive (EulerOS-SA-2020-1607)	Nessus	Huawei Local Security Checks	2020/6/2	2024/3/8	medium
239805	TencentOS Server 3: libarchive (TSSA-2022:0019)	Nessus	Tencent Local Security Checks	2025/6/16	2025/11/20	high

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