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CVE-2024-34478

21
FAUCET Score

CVE-2024-34478 affects btcd before version 0.24.0, stemming from an incorrect implementation of BIP 68 and BIP 112 consensus rules where transaction versions are treated as signed instead of unsigned integers. This vulnerability carries a CVSS score of 7.5 (High), indicating a network-based attack with low complexity that can lead to a chain split and potential loss of funds. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.24.0CPE matchmatch criteria
cpe:2.3:a:btcd_project:btcd:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.56%
Probability of exploitation in next 30 days
EPSS Percentile
43.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0056 is in the 20th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

gopatch availablevia ghsa
Product: github.com/btcsuite/btcdFixed in: 0.24.0

Vendor Advisories (1)

goGHSA-3jgf-r68h-xfqmmedium

btcd susceptible to consensus failures

May 5, 2024

References

delvingbitcoin.org / t/disclosure-btcd-consensus-bugs-due-to-usage-of-signed-transaction-version/455
Issue Tracking
github.com / btcsuite/btcd/blob/e4c88c3a3ecb1813529bf3dddc7a865bd418a6b8/blockchain/chain.go
Product
github.com / btcsuite/btcd/blob/e4c88c3a3ecb1813529bf3dddc7a865bd418a6b8/txscript/opcode.go
Product