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CVE-2024-38533

ZKsync Era invalid stack addressing conversion

MEDIUM
6.5
CVSS Score
Published: June 28, 2024 at 09:18 PM UTC
Updated: June 17, 2026 at 07:40 AM UTC
1 product affected across 1 vendorLabs Zkvyper

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

ZKsync Era is a layer 2 rollup that uses zero-knowledge proofs to scale Ethereum. There is possible invalid stack access due to the addresses used to access the stack not properly being converted to cells. This issue has been patched in version 1.5.0.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Labs Zkvyper· Matter Labs
60%
v < 1.5.0
Affected range stops below 1.5.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRM
Source: [email protected]
https://github.com/matter-labs/era-compiler-vyper/security/advisories/GHSA-q7pg-6jh9-87gv

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-787

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