CVE-2023-21287

CRITICALNVD 9.89.8—

9.8

In multiple locations, there is a possible code execution due to type confusion. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 73.4%
KEV: Not listed

Published

August 14, 2023

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated May 29, 2026

No patch confirmed yet.

generic

Android Security Bulletin—August 2023 | Android Open Source Project

https://source.android.com/security/bulletin/2023-08-01

generic

a79e80a25874dacaa266906a9048f13d4bac41c6 - platform/external/freetype - Git at Google

https://android.googlesource.com/platform/external/freetype/+/a79e80a25874dacaa266906a9048f13d4bac41c6

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-843Access of Resource Using Incompatible Type (Type Confusion)

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2023-21287?

CVE-2023-21287 is a critical vulnerability published on August 14, 2023. In multiple locations, there is a possible code execution due to type confusion. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

When was CVE-2023-21287 disclosed?

CVE-2023-21287 was first published in the National Vulnerability Database on August 14, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-21287 actively exploited?

CVE-2023-21287 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 73.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-21287?

CVE-2023-21287 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-21287?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-21287, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-21287

Explore →

Is Your Infrastructure Affected by CVE-2023-21287?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2023-21287

📅 Published

🔄 Last Modified

📋 Advisory Details (2)