mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2, allows remote attackers to…
Priority LOW 38CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.01976 80th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
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 · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libmspack_project:libmspack:0.5:alpha:*:*:*:*:*:* | 0.5 alpha | Vulnerable | Libmspack Project |
| cpe:2.3:a:clamav:clamav:0.99.2:*:*:*:*:*:*:* | 0.99.2 | Running on | ClamAV |
- cpe:2.3:a:libmspack_project:libmspack:0.5:alpha:*:*:*:*:*:* Versions 0.5 alpha Vulnerable ·Libmspack Project
- cpe:2.3:a:clamav:clamav:0.99.2:*:*:*:*:*:*:* Versions 0.99.2 Running on ·ClamAV
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2017-6419
- 2026-10-03 Alias added: GHSA-x569-chqv-xjj7
References
Advisory 3
More Libmspack Project Libmspack vulnerabilities
- 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
- TI-2015-03749 Off-by-one error in the lzxd_decompress function in lzxd.c in libmspack before 0.5 allows… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2017-6419 · CVE Program
- CVE-2017-6419 · NVD
- FIRST EPSS
- GHSA-x569-chqv-xjj7 · GitHub Advisory Database · CC BY 4.0
- CVE-2017-6419 · Red Hat security data · CC BY 4.0
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