CVE-2024-34149

CVE-2024-34149 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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).

Frequently asked questions

What is CVE-2024-34149?
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).
How severe is CVE-2024-34149?
CVE-2024-34149 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2024-34149 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-34149?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-34149 have an EU (EUVD) identifier?
Yes. CVE-2024-34149 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-35148.
When was CVE-2024-34149 published?
CVE-2024-34149 was published on 2024-04-30 and last updated on 2026-06-17.

References