Capstone 3.0.4 has an out-of-bounds vulnerability (SEGV caused by a read memory access)…
Priority LOW 27CWE-125Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-125 and the CVSS impact.
Summary
Capstone 3.0.4 has an out-of-bounds vulnerability (SEGV caused by a read memory access) in X86_insn_reg_intel in arch/X86/X86Mapping.c.
Why it matters now
EPSS 0.01069 65th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed capstone (PyPI): 4.0.0
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 |
| — | capstone (PyPI) | before 4.0.0 | 4.0.0 | Patch available | GHSA-xx4j-rvcc-2vhr |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- capstone (PyPI) Vendor— Affected before 4.0.0 Fixed in 4.0.0 Patch available GHSA-xx4j-rvcc-2vhr
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:capstone-engine:capstone:3.0.4:*:*:*:*:*:*:* | 3.0.4 | Vulnerable | capstone-engine |
- cpe:2.3:a:capstone-engine:capstone:3.0.4:*:*:*:*:*:*:* Versions 3.0.4 Vulnerable ·capstone-engine
Remediation
- Fix · GHSA-xx4j-rvcc-2vhr capstone (PyPI) Fixed in 4.0.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2016-7151
- 2026-10-03 Alias added: GHSA-xx4j-rvcc-2vhr
References
More capstone-engine Capstone vulnerabilities
- TI-2025-41703 Capstone doesn't check vsnprintf return in SStream_concat, allows stack buffer underflow and overflow CVSS 3.1CRITICAL 9.8
- TI-2025-41500 Capstone doesn't check Skipdata length, leading to cs_insn.bytes heap buffer overflow CVSS 3.1HIGH 7.8
- TI-2026-34733 Capstone has a NULL Pointer Dereference with 3DNow! opcodes CVSS 3.1MEDIUM 5.9
- TI-2017-04662 Integer overflow in the cs_winkernel_malloc function in winkernel_mm.c in Capstone 3.0.4… CVSS 3.0HIGH 8.8
Sources
- CVE-2016-7151 · CVE Program
- CVE-2016-7151 · NVD
- FIRST EPSS
- GHSA-xx4j-rvcc-2vhr · GitHub Advisory Database · CC BY 4.0
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