CVE-2019-1010298

CRITICALNVD 9.89.8—Elevated

9.8

Linaro/OP-TEE OP-TEE 3.3.0 and earlier is affected by: Buffer Overflow. The impact is: Code execution in the context of TEE core (kernel). The component is: optee_os. The fixed version is: 3.4.0 and later.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 90.3%
KEV: Not listed

Published

July 15, 2019

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated May 26, 2026

Upstream fix merged — awaiting tagged release. Sources: github_commit.

github_commit

commit 70697bf3c5dc (OP-TEE/optee_os)

Fix landed in OP-TEE/optee_os commit 70697bf3c5dc — awaiting tagged release

https://github.com/OP-TEE/optee_os/commit/70697bf3c5dc3d201341b01a1a8e5bc6d2fb48f8

Weakness Classification(3)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 16× 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.

2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 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 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 17:23 UTCEG score recompute
2026-05-27 17:23 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCRKX1209/CVE-2019-1010298
First seen Aug 12, 2019
Proof of Concept of TrustZone exploit
Open source ↗

Frequently asked(5)

What is CVE-2019-1010298?

CVE-2019-1010298 is a critical vulnerability published on July 15, 2019. Linaro/OP-TEE OP-TEE 3.3.0 and earlier is affected by: Buffer Overflow. The impact is: Code execution in the context of TEE core (kernel). The component is: optee_os. The fixed version is: 3.4.0 and later.

When was CVE-2019-1010298 disclosed?

CVE-2019-1010298 was first published in the National Vulnerability Database on July 15, 2019, 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-2019-1010298 actively exploited?

CVE-2019-1010298 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 90.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-1010298?

CVE-2019-1010298 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2019-1010298?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-1010298, 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-2019-1010298

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CVE-2019-1010298

📅 Published

🔄 Last Modified

📋 Advisory Details (1)