CVE-2022-20162 — In asn1_p256_int of crypto/asn1.c, there is a possible out of bounds read due to an incorrect bounds check

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MEDIUM

In asn1_p256_int of crypto/asn1.c, there is a possible out of bounds read due to an incorrect bounds check

Published Jun 15, 2022

4.4

MEDIUM

CVSS 3.1

EPSS 0.14%

Description

In asn1_p256_int of crypto/asn1.c, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-223492713References: N/A

Affected products

Vendor n/a Product Android Default
n/a
- 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

n/a

Android

n/a

Version	Status	Constraints
Android kernel	affected	-

Remediation

No remediation recorded yet.

Metrics

0.14% 0.00139

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.

EPSS probability 0.00139

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (9 key points)

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

Date	Score	Percentile	Model
Oct 3, 2026	0.14% (0.00139)	2.72th	v5 (v2026.06.15)
Jun 15, 2026	0.14% (0.00138)	3.52th	v5 (v2026.06.15)
Mar 17, 2025	0.02% (0.00020)	3.04th	v4 (v2025.03.14)
Dec 12, 2024	0.04% (0.00042)	5.07th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00042)	5.63th	v3 (v2023.03.01)
Mar 6, 2023	1.04% (0.01036)	43.31th	v2 (v2022.01.01)
Dec 21, 2022	1.04% (0.01036)	42.32th	v2 (v2022.01.01)
Jun 24, 2022	1.04% (0.01036)	40.28th	v2 (v2022.01.01)
Jun 16, 2022	2.56% (0.02559)	80.63th	v2 (v2022.01.01)