CVE-2018-9389 — In ip6_append_data of ip6_output.c, there is a possible way to achieve code execution due to a heap buffer overflow

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HIGH

In ip6_append_data of ip6_output.c, there is a possible way to achieve code execution due to a heap buffer overflow

Published Jan 17, 2025

7.8

HIGH

CVSS 3.1

EPSS 0.11%

Description

In ip6_append_data of ip6_output.c, there is a possible way to achieve code execution due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected products

Vendor Google Product Android Default
unaffected
- Version
  Android Kernel
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Google

Android

unaffected

Version	Status	Constraints
Android Kernel	affected	-

Remediation

No remediation recorded yet.

Metrics

0.11% 0.00106

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00106

Score over time

2025–2026

EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v3
EPSS v4
EPSS v5

Table of values (4 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.11% (0.00106)	1.03th	v5 (v2026.06.15)
Jun 15, 2026	0.11% (0.00106)	1.34th	v5 (v2026.06.15)
Mar 17, 2025	0.01% (0.00014)	1.26th	v4 (v2025.03.14)
Jan 18, 2025	0.04% (0.00043)	11.36th	v3 (v2023.03.01)