What is CVE-2019-1010293?

CVE-2019-1010293 is a critical-severity vulnerability in Linaro/op-Tee Op-Tee, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-07-15.

How severe is CVE-2019-1010293?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Linaro/op-Tee Op-Tee

CVE-2019-1010293

Linaro/OP-TEE OP-TEE 3.3.0 and earlier is affected by: Boundary crossing. The impact is: Memory corruption of the TEE itself. The component is: optee_os. The fixed version is: 3.4.0 and later.

Vulnerability class: Buffer Overflow

Published 2019-07-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.016 (74.7th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Linaro/op-Tee Op-Tee — versions 3.3.0 and earlier [fixed: 3.4.0 and later]
Trustedfirmware Op-Tee

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/OP-TEE/optee_os/commit/95f36d661f2b75887772ea28baaad904bde96970 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2019-1010293?: CVE-2019-1010293 is a critical-severity vulnerability in Linaro/op-Tee Op-Tee, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-07-15.
How severe is CVE-2019-1010293?: Critical severity. CVSS v3 base score is 9.8 out of 10.