In Bitcoin Core through 27.0 and Bitcoin Knots before 25.1.knots20231115, tapscript lacks…
Priority LOW 28Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
In Bitcoin Core through 27.0 and Bitcoin Knots before 25.1.knots20231115, tapscript lacks a policy size limit check, a different issue than CVE-2023-50428. NOTE: some parties oppose this new limit check (for example, because they agree with the objective but disagree with the technical mechanism, or because they have a different objective).
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00384 32nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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 names CISA-ADP · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:bitcoincore:bitcoin_core:0.10.0:*:*:*:*:*:*:* | 0.10.0 | — | — |
- cpe:2.3:a:bitcoincore:bitcoin_core:0.10.0:*:*:*:*:*:*:* Versions 0.10.0 — ·—
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-34149
- 2026-10-03 Alias added: GHSA-xjxq-r86x-5mrv
References
Sources
- CVE-2024-34149 · CVE Program
- CVE-2024-34149 · NVD
- FIRST EPSS
- GHSA-xjxq-r86x-5mrv · GitHub Advisory Database · CC BY 4.0
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