EUVD-2026-58744Severity by source
AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Exploitation requires local library API invocation with attacker-controlled IDs; description explicitly confirms no data disclosure, so C:N overrides the provided C:L.
Primary rating from Vendor (GitHub_M).
CVSS VectorVendor: GitHub_M
Lifecycle Timeline
2DescriptionCVE.org
Capstone is a disassembly framework. Prior to version 6.0.0-Alpha9, Capstone's public cs_insn_name() API forwards caller-supplied instruction IDs directly to the selected architecture backend. Most backends validate the ID before indexing instruction-name tables, but the M68K and RISCV backends have missing or incomplete bounds checks. On a Capstone handle opened for M68K or RISCV, a caller-controlled invalid instruction ID can trigger an out-of-bounds read and crash the process. The demonstrated impact is availability loss in applications or bindings that expose instruction-name lookup to untrusted IDs. No code execution or data disclosure was demonstrated. Version 6.0.0-Alpha9 patches the issue.
AnalysisAI
Out-of-bounds read in Capstone's cs_insn_name() public API crashes host processes when the M68K or RISCV architecture backends receive caller-controlled invalid instruction IDs that bypass missing or incomplete bounds checks. Affected are all Capstone deployments prior to 6.0.0-Alpha9 where those two architecture handles are in use and instruction ID input is not sanitized by the calling application. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Two specific conditions must both be true: first, the Capstone library handle must be initialized for either the M68K or the RISCV architecture - handles opened for any other supported architecture are not affected because their backends perform adequate bounds validation. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world risk is moderate-low and lower than the tags 'RCE' and 'Information Disclosure' attached to the input data imply - those labels overstate demonstrated impact, which is confined to process crash. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to Capstone 6.0.0-Alpha9, which patches the missing bounds checks in both the M68K and RISCV backends per the vendor advisory at https://github.com/capstone-engine/capstone/security/advisories/GHSA-jrw4-wj52-2vw8. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
Integer overflow in the cs_winkernel_malloc function in winkernel_mm.c in Capstone 3.0.4 and earlier allows attackers to
Heap buffer overflow in Capstone's SuperH (SH) architecture floating-point disassembler affects all releases through 6.0
Out-of-bounds read in Capstone's SuperH (SH) architecture disassembler crashes the host process when fed crafted SH2A or
Capstone disassembly framework package in Alpine Linux has been patched at version 5.0.8-r0, addressing an unspecified v
Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Information Disclosure
View allVendor StatusVendor
SUSE
Severity: Moderate| Product | Status |
|---|---|
| SUSE Linux Enterprise High Performance Computing 15 SP7 | Affected |
| SUSE Linux Enterprise Micro 5.5 | Affected |
| SUSE Linux Enterprise Module for Server Applications 15 SP7 | Affected |
| SUSE Linux Enterprise Server 15 SP7 | Affected |
| SUSE Linux Enterprise Server 16.0 | Affected |
| SUSE Linux Enterprise Server 16.1 | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP7 | Affected |
| SUSE Linux Enterprise Server for SAP applications 16.0 | Affected |
| SUSE Linux Enterprise Server for SAP applications 16.1 | Affected |
| SUSE Linux Micro 6.0 | Affected |
| SUSE Linux Micro 6.1 | Affected |
| SUSE Linux Micro 6.2 | Affected |
| openSUSE Leap 16.0 | Affected |
| SUSE Linux Enterprise High Performance Computing 15 SP5 | Affected |
| SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS | Affected |
| SUSE Linux Enterprise Module for Server Applications 15 SP5 | Affected |
| SUSE Linux Enterprise Module for Server Applications 15 SP6 | Affected |
| SUSE Linux Enterprise Server 15 SP5 | Affected |
| SUSE Linux Enterprise Server 15 SP5-LTSS | Affected |
| SUSE Linux Enterprise Server 15 SP6 | Affected |
| SUSE Linux Enterprise Server 15 SP6-LTSS | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP5 | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP6 | Affected |
| SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS | Affected |
| SUSE Linux Enterprise High Performance Computing 15 SP6 | Affected |
| openSUSE Leap 15.5 | Affected |
| openSUSE Leap 15.6 | Affected |
| openSUSE Leap Micro 5.5 | Affected |
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