Multiple integer overflows in the search_chunk function in chmd.c in libmspack before 0.5…
Priority LOW 23CWE-189Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-189 and the CVSS impact.
Summary
Multiple integer overflows in the search_chunk function in chmd.c in libmspack before 0.5 allow remote attackers to cause a denial of service (buffer over-read and application crash) via a crafted CHM file.
Why it matters now
EPSS 0.01428 73rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libmspack_project:libmspack:*:*:*:*:*:*:*:* | up to 0.4-3 | Vulnerable | Libmspack Project |
- cpe:2.3:a:libmspack_project:libmspack:*:*:*:*:*:*:*:* Versions up to 0.4-3 Vulnerable ·Libmspack Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2015-4468
- 2026-10-03 Alias added: GHSA-f6cg-9mvp-r5gc
References
More Libmspack Project Libmspack vulnerabilities
- TI-2017-04226 mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2, allows remote attackers to… CVSS 3.0HIGH 7.8
- TI-2018-13144 In mspack/cab.h in libmspack before 0.8alpha and cabextract before 1.8, the CAB block… CVSS 3.1MEDIUM 6.5
- TI-2015-03750 Off-by-one error in the READ_ENCINT macro in chmd.c in libmspack before 0.5 allows remote… CVSS 2.0MEDIUM 6.8
- TI-2014-07911 The cabd_extract function in cabd.c in libmspack before 0.5 does not properly maintain… CVSS 2.0MEDIUM 4.3
- TI-2017-08450 The cabd_read_string function in mspack/cabd.c in libmspack 0.5alpha, as used in ClamAV… CVSS 3.0MEDIUM 5.5
- TI-2014-07753 Integer overflow in the qtmd_decompress function in libmspack 0.4 allows remote attackers… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2015-4468 · CVE Program
- CVE-2015-4468 · NVD
- FIRST EPSS
- GHSA-f6cg-9mvp-r5gc · GitHub Advisory Database · CC BY 4.0
- CVE-2015-4468 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences