CVE-2018-9426 — In RsaKeyPairGenerator::getNumberOfIterations of RSAKeyPairGenerator.java, an incorrect implementation could cause weak RSA key pairs being generated

Back Back to CVE browser

HIGH

In RsaKeyPairGenerator::getNumberOfIterations of RSAKeyPairGenerator.java, an incorrect implementation could cause weak RSA key pairs being generated

Published Dec 2, 2024

7.5

HIGH

CVSS 3.1

EPSS 0.25%

Description

In RsaKeyPairGenerator::getNumberOfIterations of RSAKeyPairGenerator.java, an incorrect implementation could cause weak RSA key pairs being generated. This could lead to crypto vulnerability with no additional execution privileges needed. User interaction is not needed for exploitation. Bulletin Fix: The fix is designed to correctly implement the key generation according to FIPS standard.

Affected products

Vendor Google Product Android Default
unaffected
- Version
  7
  Status
  affected
  Constraints
  -
- Version
  7.1.1
  Status
  affected
  Constraints
  -
- Version
  7.1.2
  Status
  affected
  Constraints
  -
- Version
  8
  Status
  affected
  Constraints
  -
- Version
  8.1
  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
7	affected	-
7.1.1	affected	-
7.1.2	affected	-
8	affected	-
8.1	affected	-

Remediation

No remediation recorded yet.

Metrics

0.25% 0.00246

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

EPSS probability 0.00246

Score over time

2024–2026

EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v3
EPSS v4
EPSS v5

Table of values (5 key points)

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

Date	Score	Percentile	Model
Oct 3, 2026	0.25% (0.00246)	14.42th	v5 (v2026.06.15)
Jun 15, 2026	0.24% (0.00243)	15.16th	v5 (v2026.06.15)
Mar 17, 2025	0.06% (0.00063)	16.89th	v4 (v2025.03.14)
Dec 12, 2024	0.04% (0.00043)	10.81th	v3 (v2023.03.01)
Dec 3, 2024	0.04% (0.00043)	10.48th	v3 (v2023.03.01)

Weaknesses (1)

CWE-331

References (1)

https://source.android.com/docs/security/bulletin/pixel/2018-07-01
PatchVendor Advisory

Link	Providers	Tags
https://source.android.com/docs/security/bulletin/pixel/2018-07-01		PatchVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner google_android

Published Dec 2, 2024

Updated Dec 3, 2024

Reserved Apr 5, 2018

Link CVE-2018-9426

CISA Vulnrichment

Updated Dec 3, 2024

NVD

Status Analyzed

Modified Jun 17, 2026

Link CVE-2018-9426

Red Hat

Severity n/a

Public date n/a

Links CVE-2018-9426