CVE-2023-50428

Description

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."

5.3

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.04%

Third-Party Advisory bitcoin.it Third-Party Advisory twitter.com

Affected: n/a n/a

References

Link	Tags
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures	third party advisory
https://twitter.com/LukeDashjr/status/1732204937466032285	issue tracking third party advisory
https://github.com/bitcoin/bitcoin/pull/28408#issuecomment-1844981799	issue tracking
https://github.com/bitcoinknots/bitcoin/blob/aed49ce8989334c364a219a6eb016a3897d4e3d7/doc/release-notes.md	release notes
https://github.com/bitcoin/bitcoin/tags	product
https://github.com/bitcoin/bitcoin/blob/65c05db660b2ca1d0076b0d8573a6760b3228068/src/kernel/mempool_options.h#L46-L53

Frequently Asked Questions

What is the severity of CVE-2023-50428?: CVE-2023-50428 has been scored as a medium severity vulnerability.
How to fix CVE-2023-50428?: To fix CVE-2023-50428, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-50428 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-50428 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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