CVE-2023-33297

Description

Bitcoin Core before 24.1, when debug mode is not used, allows attackers to cause a denial of service (e.g., CPU consumption) because draining the inventory-to-send queue is inefficient, as exploited in the wild in May 2023.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.27%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures not applicable
https://github.com/bitcoin/bitcoin/issues/27586 issue tracking
https://github.com/bitcoin/bitcoin/issues/27623 issue tracking
https://github.com/bitcoin/bitcoin/blob/master/doc/release-notes/release-notes-24.1.md release notes
https://github.com/bitcoin/bitcoin/pull/27610 patch issue tracking
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F2EI7SAP4QP2AJYK2JVEOO4GJ6DOBSM5/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H3CQY277NWXY3RFCZCJ4VKT2P3ROACEJ/ vendor advisory
https://github.com/visualbasic6/drain
https://github.com/dogecoin/dogecoin/issues/3243#issuecomment-1712575544
https://x.com/123456/status/1711601593399828530

Frequently Asked Questions

What is the severity of CVE-2023-33297?
CVE-2023-33297 has been scored as a high severity vulnerability.
How to fix CVE-2023-33297?
To fix CVE-2023-33297, 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-2023-33297 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-33297 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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