mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted CHM file.
CVSS Details
- CVSS 3.0 Base Score: 7.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade libmspackUpgrade clamav | Sep 20, 2017 | Aug 7, 2017 |
| Amazon_linux | — | Upgrade clamav | Feb 22, 2018 | Aug 6, 2017 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Aug 7, 2017 |
| Debian | — | Upgrade clamavUpgrade libmspack | Aug 19, 2017 | Aug 6, 2017 |
| Gentoo Linux | — | Upgrade app-antivirus/clamav. | Apr 23, 2018 | Aug 6, 2017 |
| Huawei Euleros 2_0_sp2 | — | Upgrade libmspack | Dec 4, 2019 | Aug 7, 2017 |
| Huawei Euleros 2_0_sp3 | — | Upgrade libmspack | Dec 18, 2019 | Aug 7, 2017 |
| Huawei Euleros 2_0_sp5 | — | Upgrade libmspack | Dec 11, 2019 | Aug 7, 2017 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Mar 29, 2017 |
| Suse | — | Upgrade libmspack-develUpgrade libclamav9Upgrade clamavUpgrade clamav-develUpgrade libclammspack0Upgrade libclamav7Upgrade libmspack0Upgrade libfreshclam2 | Jan 30, 2018 | Aug 6, 2017 |
| Ubuntu | — | Upgrade libmspack-dev (Ubuntu Pro)Upgrade libmspack-doc (Ubuntu Pro)Upgrade clamavUpgrade libmspack0Upgrade libmspack0 (Ubuntu Pro) | Aug 17, 2017 | Aug 6, 2017 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Aug 7, 2017 |
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