libmspack was updated to fix security issues.

These security issues were fixed :

  - CVE-2014-9732: The cabd_extract function in cabd.c in     libmspack did not properly maintain decompression     callbacks in certain cases where an invalid file follows     a valid file, which allowed remote attackers to cause a     denial of service (NULL pointer dereference and     application crash) via a crafted CAB archive     (bnc#934524).

  - CVE-2015-4467: The chmd_init_decomp function in chmd.c     in libmspack did not properly validate the reset     interval, which allowed remote attackers to cause a     denial of service (divide-by-zero error and application     crash) via a crafted CHM file (bnc#934525).

  - CVE-2015-4468: Multiple integer overflows in the     search_chunk function in chmd.c in libmspack allowed     remote attackers to cause a denial of service (buffer     over-read and application crash) via a crafted CHM file     (bnc#934526).

  - CVE-2015-4469: The chmd_read_headers function in chmd.c     in libmspack did not validate name lengths, which     allowed remote attackers to cause a denial of service     (buffer over-read and application crash) via a crafted     CHM file (bnc#934526).

  - CVE-2015-4470: Off-by-one error in the inflate function     in mszipd.c in libmspack allowed remote attackers to     cause a denial of service (buffer over-read and     application crash) via a crafted CAB archive     (bnc#934527).

  - CVE-2015-4471: Off-by-one error in the lzxd_decompress     function in lzxd.c in libmspack allowed remote attackers     to cause a denial of service (buffer under-read and     application crash) via a crafted CAB archive     (bnc#934528).

  - CVE-2015-4472: Off-by-one error in the READ_ENCINT macro     in chmd.c in libmspack allowed remote attackers to cause     a denial of service (application crash) or possibly have     unspecified other impact via a crafted CHM file     (bnc#934529).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE 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.

  - The chmd_read_headers function in chmd.c in libmspack before 0.5 does not validate name lengths, which     allows remote attackers to cause a denial of service (buffer over-read and application crash) via a     crafted CHM file. (CVE-2015-4469)

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

The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7788-1 advisory.

    Jakub Wilk discovered that libmspack did not correctly handle certain integer operations and bounds     checking. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2015-4467,     CVE-2015-4468, CVE-2015-4469, CVE-2015-4472)

    It was discovered that libmspack incorrectly handled certain malformed CAB files. A remote attacker could     use this issue to cause libmspack to crash, resulting in a denial of service. (CVE-2017-11423)

    It was discovered that libmspack incorrectly handled certain malformed CHM files. A remote attacker could     use this issue to cause libmspack to crash, resulting in a denial of service, or possibly execute     arbitrary code. (CVE-2017-6419)

    Hanno Bck discovered that libmspack incorrectly handled certain CHM files. An attacker could possibly     use this issue to cause a denial of service. (CVE-2018-14679, CVE-2018-14680)

    Jakub Wilk discovered that libmspack incorrectly handled certain KWAJ files. An attacker could possibly     use this issue to execute arbitrary code. (CVE-2018-14681)

    Dmitry Glavatskikh discovered that libmspack incorrectly handled certain CHM files. An attacker could     possibly use this issue to execute arbitrary code. (CVE-2018-14682)

    It was discovered libmspack incorrectly handled certain malformed CAB files. A remote attacker could use     this issue to cause libmspack to crash, resulting in a denial of service. (CVE-2018-18585)

    It was discovered that libmspack incorrectly handled certain CHM files. A remote attacker could possibly     use this issue to access sensitive information. (CVE-2019-1010305)

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.

libmspack was updated to fix several security vulnerabilities.

  - Fix NULL pointer dereference on a crafted CAB.
    (bsc#934524, CVE-2014-9732)

  - Fix denial of service while processing crafted CHM file.
    (bsc#934525, CVE-2015-4467)

  - Fix denial of service while processing crafted CHM file.
    (bsc#934529, CVE-2015-4472)

  - Fix pointer arithmetic overflow during CHM     decompression. (bsc#934526, CVE-2015-4469)

  - Fix off-by-one buffer over-read in mspack/mszipd.c.
    (bsc#934527, CVE-2015-4470)

  - Fix off-by-one buffer under-read in mspack/lzxd.c.
    (bsc#934528, CVE-2015-4471)

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

ID	Name	Product	Family	Published	Updated	Severity
87858	SUSE SLED12 / SLES12 Security Update : libmspack (SUSE-SU-2016:0011-1)	Nessus	SuSE Local Security Checks	1/12/2016	1/6/2021	medium
254506	Linux Distros Unpatched Vulnerability : CVE-2015-4469	Nessus	Misc.	8/25/2025	8/25/2025	medium
266398	Ubuntu 14.04 LTS : libmspack vulnerabilities (USN-7788-1)	Nessus	Ubuntu Local Security Checks	10/2/2025	10/2/2025	high
87276	SUSE SLED11 / SLES11 Security Update : libmspack (SUSE-SU-2015:2215-1)	Nessus	SuSE Local Security Checks	12/9/2015	1/6/2021	medium

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