PatchTheCVE: kyzerhttps://patchthecve.com/CVEs with upgrade or downgrade fix stepsCVE-2019-1010305: libmspack 0.9.1alpha is affected by: Buffer Overflowhttps://patchthecve.com/cve/CVE-2019-1010305.htmlhttps://patchthecve.com/cve/CVE-2019-1010305.htmlWed, 17 Jun 2026 02:09:57 +0000MEDIUM 5.5: libmspack 0.9.1alpha is affected by: Buffer Overflow. The impact is: Information Disclosure. The component is: function chmd_read_headers() in libmspack(file libmspack/mspack/chmd.c). The attack vector is: the victim must open a specially crafted chm file. The fixed version is: after commit 2f084136CVE-2018-18586: chmextract.c in the chmextract sample program, as distributed with libmspack before 0.8alpha, does not protecthttps://patchthecve.com/cve/CVE-2018-18586.htmlhttps://patchthecve.com/cve/CVE-2018-18586.htmlWed, 17 Jun 2026 01:47:33 +0000MEDIUM 5.3: chmextract.c in the chmextract sample program, as distributed with libmspack before 0.8alpha, does not protect against absolute/relative pathnames in CHM files, leading to Directory Traversal. NOTE: the vendor disputes that this is a libmspack vulnerability, because chmextract.c was only intended asCVE-2018-18585: chmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\0' as its first https://patchthecve.com/cve/CVE-2018-18585.htmlhttps://patchthecve.com/cve/CVE-2018-18585.htmlWed, 17 Jun 2026 01:47:33 +0000MEDIUM 4.3: chmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\0' as its first or second character (such as the "/\0" name).