CVE-2023-42374 — An issue in mystenlabs Sui Blockchain before v

An issue in mystenlabs Sui Blockchain before v.1.6.3 allow a remote attacker to execute arbitrary code and cause a denial of service via a crafted compressed script to the Sui node component.

01What is this vulnerability?

An issue in mystenlabs Sui Blockchain before v.1.6.3 allow a remote attacker to execute arbitrary code and cause a denial of service via a crafted compressed script to the Sui node component.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-02-13T00:00:00.000Z
• Last modified: 2025-04-24T15:40:49.354Z

09References

• medium.com — https://medium.com/%40Beosin_com/memory-bomb-vulnerability-causes-sui-node-to-cr…
• github.com — https://github.com/MystenLabs/sui/commit/42d4ad103a21d23fecd7c0271453da41604e71e…
• beosin.com — https://beosin.com/resources/%22memory-bomb%22-vulnerability-causes-sui-node-to-…