CVE-2026-3387

LOW EPSS 5.9%
Published Mar 1, 20264mo ago · Modified Apr 29, 20262mo ago
1.9 CVSS 4.0
Low
Find Similar
Published Mar 1, 2026 4mo ago
Last Modified Apr 29, 2026 2mo ago

Description

A vulnerability has been found in wren-lang wren up to 0.4.0. Affected by this issue is the function getByteCountForArguments of the file src/vm/wren_compiler.c. Such manipulation leads to null pointer dereference. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

CVSS Details

Base Score
1.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
5.9% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-404
CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 1

VendorProductVersionRange
wrenwren* ≤0.4.0

References 6

  • github.com https://github.com/oneafter/0122/blob/main/i1220/repro
    Exploit
  • github.com https://github.com/wren-lang/wren/
    Product
  • github.com https://github.com/wren-lang/wren/issues/1220
    ExploitIssue TrackingVendor Advisory
  • vuldb.com https://vuldb.com/?ctiid.348273
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.348273
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.761312
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.