CVE-2018-11743

CRITICAL
9.8
CVSS Score
Published: June 5, 2018 at 01:00 PM UTC
Updated: June 17, 2026 at 01:36 AM UTC
2 products affected across 2 vendorsDebian LinuxMruby

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Severity
CRITICAL9.8
Exploit prediction
EPSS 2%

Description

The init_copy function in kernel.c in mruby 1.4.1 makes initialize_copy calls for TT_ICLASS objects, which allows attackers to cause a denial of service (mrb_hash_keys uninitialized pointer and application crash) or possibly have unspecified other impact.

Affected

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

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory
https://github.com/mruby/mruby/issues/4027
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html

CVSS

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

Quick Info

StatusMODIFIED
CWE
CWE-824

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