# Capstone Engine vulnerabilities

Source: https://junglewise.ai/threats/technologies/capstone  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/capstone.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 7 vulnerabilities in Capstone Engine: 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-55894, was published on 20 August 2026. Nothing was published in the last eight weeks.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 2
- All time: 7 (0 critical, 0 exploited in the wild)

## About Capstone Engine

A multi-platform and multi-architecture disassembly framework.

## Latest Capstone Engine vulnerabilities

- [CVE-2026-55894: Capstone SH disassembler out-of-bounds read](https://junglewise.ai/threats/cve-2026-55894-capstone-sh-disassembler-out-of-bounds-read) (info, published 20 Aug 2026)
- [CVE-2026-55893: Capstone heap buffer overflow in SH floating-point decoders](https://junglewise.ai/threats/cve-2026-55893-capstone-heap-buffer-overflow-in-sh-floating-point-decoders) (info, published 20 Aug 2026)
- [CVE-2026-49282: Capstone M68K and RISCV out-of-bounds read in cs_insn_name()](https://junglewise.ai/threats/cve-2026-49282-capstone-m68k-and-riscv-out-of-bounds-read-in-cs-insn-name) (medium, CVSS 5.1, published 14 Aug 2026)
- [CVE-2026-49263: Capstone WASM br_table instruction-size truncation](https://junglewise.ai/threats/cve-2026-49263-capstone-wasm-br-table-instruction-size-truncation) (info, published 14 Aug 2026)
- [CVE-2026-47143: Capstone Engine NULL pointer dereference in X86 reduced builds](https://junglewise.ai/threats/cve-2026-47143-capstone-engine-null-pointer-dereference-in-x86-reduced-builds) (medium, CVSS 5.1, published 21 Jul 2026)
- [CVE-2025-68114: Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, an unchecked vsnprintf return in…](https://junglewise.ai/threats/cve-2025-68114-capstone-is-a-disassembly-framework-in-versions-6-0-0-alpha5-and) (medium, CVSS 4.8, published 17 Dec 2025)
- [CVE-2025-67873: Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, Skipdata length is not bounds-checked, so a…](https://junglewise.ai/threats/cve-2025-67873-capstone-is-a-disassembly-framework-in-versions-6-0-0-alpha5-and) (medium, CVSS 4.8, published 17 Dec 2025)

## Most severe Capstone Engine vulnerabilities

- [CVE-2026-47143: Capstone Engine NULL pointer dereference in X86 reduced builds](https://junglewise.ai/threats/cve-2026-47143-capstone-engine-null-pointer-dereference-in-x86-reduced-builds) (medium, CVSS 5.1, published 21 Jul 2026)
- [CVE-2026-49282: Capstone M68K and RISCV out-of-bounds read in cs_insn_name()](https://junglewise.ai/threats/cve-2026-49282-capstone-m68k-and-riscv-out-of-bounds-read-in-cs-insn-name) (medium, CVSS 5.1, published 14 Aug 2026)
- [CVE-2025-67873: Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, Skipdata length is not bounds-checked, so a…](https://junglewise.ai/threats/cve-2025-67873-capstone-is-a-disassembly-framework-in-versions-6-0-0-alpha5-and) (medium, CVSS 4.8, published 17 Dec 2025)
- [CVE-2025-68114: Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, an unchecked vsnprintf return in…](https://junglewise.ai/threats/cve-2025-68114-capstone-is-a-disassembly-framework-in-versions-6-0-0-alpha5-and) (medium, CVSS 4.8, published 17 Dec 2025)
- [CVE-2026-55894: Capstone SH disassembler out-of-bounds read](https://junglewise.ai/threats/cve-2026-55894-capstone-sh-disassembler-out-of-bounds-read) (info, published 20 Aug 2026)
- [CVE-2026-55893: Capstone heap buffer overflow in SH floating-point decoders](https://junglewise.ai/threats/cve-2026-55893-capstone-heap-buffer-overflow-in-sh-floating-point-decoders) (info, published 20 Aug 2026)
- [CVE-2026-49263: Capstone WASM br_table instruction-size truncation](https://junglewise.ai/threats/cve-2026-49263-capstone-wasm-br-table-instruction-size-truncation) (info, published 14 Aug 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 2 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Capstone Engine vulnerabilities", https://junglewise.ai/threats/technologies/capstone, 13 November 2026.