Medium severity5.3NVD Advisory· Published Oct 23, 2018· Updated Jun 17, 2026
CVE-2018-18586
CVE-2018-18586
Description
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 as a source-code example, not a supported application
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9- Range: before 0.8alpha
- osv-coords8 versionspkg:rpm/opensuse/libmspack&distro=openSUSE%20Leap%2015.3pkg:rpm/suse/libmspack&distro=SUSE%20Linux%20Enterprise%20Micro%205.0pkg:rpm/suse/libmspack&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/libmspack&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/libmspack&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP2pkg:rpm/suse/libmspack&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/libmspack&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/libmspack&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5
< 0.6-3.14.1+ 7 more
- (no CPE)range: < 0.6-3.14.1
- (no CPE)range: < 0.6-3.14.1
- (no CPE)range: < 0.6-3.14.1
- (no CPE)range: < 0.6-3.14.1
- (no CPE)range: < 0.6-3.14.1
- (no CPE)range: < 0.4-15.13.1
- (no CPE)range: < 0.4-15.13.1
- (no CPE)range: < 0.4-15.13.1
Patches
Vulnerability mechanics
References
4- github.com/kyz/libmspack/commit/7cadd489698be117c47efcadd742651594429e6dnvdExploitVendor Advisory
- bugs.debian.org/911639nvdMailing ListThird Party Advisory
- security.gentoo.org/glsa/201903-20nvdThird Party Advisory
- www.openwall.com/lists/oss-security/2018/10/22/1nvdMailing ListThird Party Advisory
News mentions
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