https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://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 2f084136https://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 ashttps://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).https://patchthecve.com/cve/CVE-2018-18584.htmlhttps://patchthecve.com/cve/CVE-2018-18584.htmlWed, 17 Jun 2026 01:47:32 +0000MEDIUM 6.5: In mspack/cab.h in libmspack before 0.8alpha and cabextract before 1.8, the CAB block input buffer is one byte too small for the maximal Quantum block, leading to an out-of-bounds write.https://patchthecve.com/cve/CVE-2018-14682.htmlhttps://patchthecve.com/cve/CVE-2018-14682.htmlWed, 17 Jun 2026 01:41:26 +0000HIGH 8.8: An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the TOLOWER() macro for CHM decompression.https://patchthecve.com/cve/CVE-2018-14681.htmlhttps://patchthecve.com/cve/CVE-2018-14681.htmlWed, 17 Jun 2026 01:41:26 +0000HIGH 8.8: An issue was discovered in kwajd_read_headers in mspack/kwajd.c in libmspack before 0.7alpha. Bad KWAJ file header extensions could cause a one or two byte overwrite.https://patchthecve.com/cve/CVE-2018-14680.htmlhttps://patchthecve.com/cve/CVE-2018-14680.htmlWed, 17 Jun 2026 01:41:25 +0000MEDIUM 6.5: An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. It does not reject blank CHM filenames.https://patchthecve.com/cve/CVE-2018-14679.htmlhttps://patchthecve.com/cve/CVE-2018-14679.htmlWed, 17 Jun 2026 01:41:25 +0000MEDIUM 6.5: 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).https://patchthecve.com/cve/CVE-2017-6419.htmlhttps://patchthecve.com/cve/CVE-2017-6419.htmlWed, 17 Jun 2026 01:22:18 +0000HIGH 7.8: 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.https://patchthecve.com/cve/CVE-2017-11423.htmlhttps://patchthecve.com/cve/CVE-2017-11423.htmlWed, 17 Jun 2026 01:01:47 +0000MEDIUM 5.5: The cabd_read_string function in mspack/cabd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2 and other products, allows remote attackers to cause a denial of service (stack-based buffer over-read and application crash) via a crafted CAB file.