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CVE-2018-14679

Description

An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the CHM PMGI/PMGL chunk number validity checks, which could lead to denial of service (uninitialized data dereference and application crash).

Risk Information

Base Score
6.5
MODERATE
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
1.075

Associated Vulnerability

VulnerabilityOS Platform
(RHSA-2018:3327) libmspack security update libmspack-0.5-0.6.alpha.el7.i686.rpmLinux
(RHSA-2018:3327) libmspack security update libmspack-0.5-0.6.alpha.el7.x86_64.rpmLinux
(RHSA-2018:3327) libmspack security update libmspack-devel-0.5-0.6.alpha.el7.i686.rpmLinux
(RHSA-2018:3327) libmspack security update libmspack-devel-0.5-0.6.alpha.el7.x86_64.rpmLinux
SUSE-SU-2018:2323-1(SUSE Linux Enterprise Desktop 12-SP3 ) clamav-0.100.1-33.15.2.x86_64.rpmLinux
SUSE-SU-2018:2323-1(SUSE Linux Enterprise Desktop 12-SP3 ) clamav-debuginfo-0.100.1-33.15.2.x86_64.rpmLinux
SUSE-SU-2018:2323-1(SUSE Linux Enterprise Desktop 12-SP3 ) clamav-debugsource-0.100.1-33.15.2.x86_64.rpmLinux
Libmspack update (ELSA-2018-3327) libmspack-0.5-0.6.alpha.el7.x86_64.rpmLinux
Libmspack-devel update (ELSA-2018-3327) libmspack-devel-0.5-0.6.alpha.el7.x86_64.rpmLinux
Libmspack update (ELSA-2018-3327) libmspack-0.5-0.6.alpha.el7.i686.rpmLinux
Libmspack-devel update (ELSA-2018-3327) libmspack-devel-0.5-0.6.alpha.el7.i686.rpmLinux
SUSE-SU-2021:3853-1(SUSE Linux Enterprise Server 12-SP5 ) clamav-0.103.4-3.12.1.x86_64.rpmLinux
SUSE-SU-2021:3853-1(SUSE Linux Enterprise Server 12-SP5 ) clamav-debuginfo-0.103.4-3.12.1.x86_64.rpmLinux
SUSE-SU-2021:3853-1(SUSE Linux Enterprise Server 12-SP5 ) clamav-debugsource-0.103.4-3.12.1.x86_64.rpmLinux
SUSE-SU-2025:0327-1(Basesystem Module 15-SP6) libfreshclam3-1.4.2-150600.18.6.1.x86_64.rpmLinux
SUSE-SU-2025:0327-1(Basesystem Module 15-SP6) libfreshclam3-debuginfo-1.4.2-150600.18.6.1.x86_64.rpmLinux
SUSE-SU-2025:0327-1(Basesystem Module 15-SP6) clamav-1.4.2-150600.18.6.1.x86_64.rpmLinux
SUSE-SU-2025:0327-1(Basesystem Module 15-SP6) libclammspack0-debuginfo-1.4.2-150600.18.6.1.x86_64.rpmLinux
SUSE-SU-2025:0327-1(Basesystem Module 15-SP6) libclamav12-1.4.2-150600.18.6.1.x86_64.rpmLinux
SUSE-SU-2025:0327-1(Basesystem Module 15-SP6) libclamav12-debuginfo-1.4.2-150600.18.6.1.x86_64.rpmLinux
SUSE-SU-2025:0327-1(Basesystem Module 15-SP6) libclammspack0-1.4.2-150600.18.6.1.x86_64.rpmLinux
SUSE-SU-2025:0327-1(Basesystem Module 15-SP6) clamav-debuginfo-1.4.2-150600.18.6.1.x86_64.rpmLinux
SUSE-SU-2025:0327-1(Basesystem Module 15-SP6) clamav-debugsource-1.4.2-150600.18.6.1.x86_64.rpmLinux
SUSE-SU-2025:0327-1(Basesystem Module 15-SP6) clamav-devel-1.4.2-150600.18.6.1.x86_64.rpmLinux
SUSE-SU-2025:0327-1(Basesystem Module 15-SP6) clamav-milter-debuginfo-1.4.2-150600.18.6.1.x86_64.rpmLinux
SUSE-SU-2025:0327-1(Basesystem Module 15-SP6) clamav-docs-html-1.4.2-150600.18.6.1.noarch.rpmLinux
SUSE-SU-2025:0327-1(Basesystem Module 15-SP6) clamav-milter-1.4.2-150600.18.6.1.x86_64.rpmLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234