CVE-2018-18584
MEDIUM6.5EPSS 5.8%libmspack - security update
Published: 10/23/2018Modified: 4/28/2026
Description
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.
Affected packages (5)
- Alpine/cabextractfrom 0, < 1.8-r0
- Alpine/libmspackfrom 0, < 0.8_alpha-r0
- Debian/cabextractfrom 0, < 1.4-5
- Debian/libmspackfrom 0, < 0.8-1
- Debian/libmspackfrom 0, < 0.5-1+deb8u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |