TI-2024-35409 Aliases CVE-2024-52912 GHSA-mxcf-88m3-99v7

Bitcoin Core before 0.21.0 allows a network split that is resultant from an integer…

LOW 39CWE-190Published 2024-11-18 · Updated 2024-11-18

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

Bitcoin Core before 0.21.0 allows a network split that is resultant from an integer overflow (calculating the time offset for newly connecting peers) and an abs64 logic bug.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00525 44th 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: Yes
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 configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:bitcoin:bitcoin_core::::::::	before 0.21.0	Vulnerable	Bitcoin

cpe:2.3:a:bitcoin:bitcoin_core:*:*:*:*:*:*:*:* Versions before 0.21.0 Vulnerable ·Bitcoin

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-52912
2026-10-03 Alias added: GHSA-mxcf-88m3-99v7

References

Advisory 2

TI-2023-18826 Memory management and protection issues in Bitcoin Core v22 allows attackers to modify… CVSS 3.1HIGH 7.5
TI-2018-12251 Bitcoin Core 0.14.x before 0.14.3, 0.15.x before 0.15.2, and 0.16.x before 0.16.3 and… CVSS 3.1HIGH 7.5
TI-2024-23274 Bitcoin Core before 25.0 allows remote attackers to cause a denial of service (blocktxn… CVSS 3.1HIGH 7.5
TI-2024-35417 Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (infinite… CVSS 3.1HIGH 7.5
TI-2024-35412 Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (memory… CVSS 3.1HIGH 7.5
TI-2019-15274 Bitcoin Core before 24.0.1 allows remote attackers to cause a denial of service (daemon… CVSS 3.1HIGH 7.5

See all 53 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences