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CVE-2018-18584
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…
Medium6.5EPSS 2.7%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.7% · top 14% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
n/a
- affected n/a
References (11)
- https://bugs.debian.org/911640 (opens in a new tab)x_transferred
- https://www.cabextract.org.uk/#changes (opens in a new tab)x_transferred
- USN-3814-3 (opens in a new tab)vendor-advisoryx_transferred
- USN-3814-1 (opens in a new tab)vendor-advisoryx_transferred
- USN-3814-2 (opens in a new tab)vendor-advisoryx_transferred
- https://www.openwall.com/lists/oss-security/2018/10/22/1 (opens in a new tab)x_transferred
- [debian-lts-announce] 20181026 [SECURITY] [DLA 1555-1] libmspack security update (opens in a new tab)mailing-listx_transferred
- https://github.com/kyz/libmspack/commit/40ef1b4093d77ad3a5cfcee1f5cb6108b3a3bcc2 (opens in a new tab)x_transferred
- GLSA-201903-20 (opens in a new tab)vendor-advisoryx_transferred
- RHSA-2019:2049 (opens in a new tab)vendor-advisoryx_transferred
- https://www.starwindsoftware.com/security/sw-20181213-0001/ (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2018-18584)Record last updated .