There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

  - A null pointer dereference was discovered lzo_decompress_buf in stream.c in Irzip 0.621 which allows an
    attacker to cause a denial of service (DOS) via a crafted compressed file. (CVE-2020-25467)

  - A null pointer dereference was discovered in ucompthread in stream.c in Irzip 0.631 which allows attackers
    to cause a denial of service (DOS) via a crafted compressed file. (CVE-2021-27345)

  - Use after free in lzma_decompress_buf function in stream.c in Irzip 0.631 allows attackers to cause Denial
    of Service (DoS) via a crafted compressed file. (CVE-2021-27347)

The remote Debian 10 / 11 host has a package installed that is affected by multiple vulnerabilities as referenced in the dsa-5145 advisory.

    Multiple vulnerabilities have been discovered in the lrzip compression program which could result in     denial of service or potentially the execution of arbitrary code. For the oldstable distribution (buster),     these problems have been fixed in version 0.631+git180528-1+deb10u1. This update also addresses     CVE-2021-27345, CVE-2020-25467 and CVE-2021-27347. For the stable distribution (bullseye), these problems     have been fixed in version 0.641-1+deb11u1. We recommend that you upgrade your lrzip packages. For the     detailed security status of lrzip please refer to its security tracker page at: https://security-     tracker.debian.org/tracker/lrzip

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.

The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5840-1 advisory.

    It was discovered that Long Range ZIP incorrectly handled pointers. If

    a user or an automated system were tricked into opening a certain

    specially crafted ZIP file, an attacker could possibly use this issue to cause a denial of service. This     issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS.
    (CVE-2020-25467)

    It was discovered that Long Range ZIP incorrectly handled pointers. If

    a user or an automated system were tricked into opening a certain

    specially crafted ZIP file, an attacker could possibly use this issue

    to cause a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
    (CVE-2021-27345, CVE-2021-27347)

    It was discovered that Long Range ZIP incorrectly handled pointers. If

    a user or an automated system were tricked into opening a certain

    specially crafted ZIP file, an attacker could possibly use this issue to cause a denial of service. This     issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2022-26291)

    It was discovered that Long Range ZIP incorrectly handled memory allocation,

    which could lead to a heap memory corruption. An attacker could possibly use this issue to cause denial of     service. This issue affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS,     Ubuntu 22.04 LTS, and

    Ubuntu 22.10. (CVE-2022-28044)

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

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

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

  - A null pointer dereference was discovered lzo_decompress_buf in stream.c in Irzip 0.621 which allows an     attacker to cause a denial of service (DOS) via a crafted compressed file. (CVE-2020-25467)

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

The remote Debian 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-2981 advisory.

    Several security vulnerabilities have been discovered in lrzip, a compression program. Invalid pointers,     use-after-free and infinite loops would allow attackers to cause a denial of service or possibly other     unspecified impact via a crafted compressed file. CVE-2018-5786 There is an infinite loop and application     hang in the get_fileinfo function (lrzip.c). Remote attackers could leverage this vulnerability to cause a     denial of service via a crafted lrz file. CVE-2020-25467 A null pointer dereference was discovered     lzo_decompress_buf in stream.c which allows an attacker to cause a denial of service (DOS) via a crafted     compressed file. CVE-2021-27345 A null pointer dereference was discovered in ucompthread in stream.c which     allows attackers to cause a denial of service (DOS) via a crafted compressed file. CVE-2021-27347 Use     after free in lzma_decompress_buf function in stream.c in allows attackers to cause Denial of Service     (DoS) via a crafted compressed file. CVE-2022-26291 lrzip was discovered to contain a multiple concurrency     use-after-free between the functions zpaq_decompress_buf() and clear_rulist(). This vulnerability allows     attackers to cause a Denial of Service (DoS) via a crafted lrz file. For Debian 9 stretch, these problems     have been fixed in version 0.631-1+deb9u2. We recommend that you upgrade your lrzip packages. For the     detailed security status of lrzip please refer to its security tracker page at: https://security-     tracker.debian.org/tracker/lrzip 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.

ID	Name	Product	Family	Published	Updated	Severity
405473	Alpine: multiple lrzip packages: security update to 0.640-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	10/31/2023	7/2/2026	medium
405473	Alpine: multiple lrzip packages: security update to 0.640-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	10/31/2023	7/2/2026	medium
161494	Debian DSA-5145-1 : lrzip - security update	Nessus	Debian Local Security Checks	5/24/2022	1/24/2025	critical
170961	Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS / 22.04 LTS : Long Range ZIP vulnerabilities (USN-5840-1)	Nessus	Ubuntu Local Security Checks	2/2/2023	9/3/2025	critical
259849	Linux Distros Unpatched Vulnerability : CVE-2020-25467	Nessus	Misc.	8/30/2025	7/9/2026	medium
159716	Debian DLA-2981-1 : lrzip - LTS security update	Nessus	Debian Local Security Checks	4/13/2022	1/24/2025	medium

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