CVE-2023-50428
mediumpriority · track · 21EPSS 0.008 · 56 %ileEUUSEPSS · scored 2026-10-28
In Bitcoin Core through 26.0 and Bitcoin Knots before 25.1.knots20231115, datacarrier size limits can be bypassed by obfuscating data as code (e.g., with OP_FALSE OP_IF), as exploited in the wild by Inscriptions in 2022 and 2023. NOTE: although this is a vulnerability from the perspective of the Bitcoin Knots project, some others consider it "not a bug."
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (19)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-50428/cnnvd
- https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposurescnnvd
- https://github.com/bitcoin/bitcoin/blob/65c05db660b2ca1d0076b0d8573a6760b3228068/src/kernel/mempool_options.h#L46-L53cnnvd
- https://github.com/bitcoin/bitcoin/pull/28408#issuecomment-1844981799cnnvd
- https://github.com/bitcoin/bitcoin/tagscnnvd
- https://github.com/bitcoinknots/bitcoin/blob/aed49ce8989334c364a219a6eb016a3897d4e3d7/doc/release-notes.mdcnnvd
- https://twitter.com/LukeDashjr/status/1732204937466032285cnnvd
- https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposuresenisa_euvd
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