Security readout for executives and security teams
Plain-English summary
CVE-2019-1010295 affects OP-TEE, trusted execution software used in some embedded and mobile-class devices. Versions 3.3.0 and earlier have a buffer overflow that can corrupt memory and disclose memory content. The public record names OP-TEE 3.4.0 and later as fixed.
Executive priority
Treat this as high priority for products relying on trusted execution because the reported impact involves secure-memory corruption and disclosure. Urgency depends on whether your assets actually ship OP-TEE 3.3.0 or earlier and whether the vendor provides fixed firmware.
Technical view
The vulnerable component is optee_os in Linaro/OP-TEE 3.3.0 and earlier. The reported impact is memory corruption and memory content disclosure from a buffer overflow. The source bundle provides a fixing upstream commit but no CVSS, CWE, or detailed exploitability data.
Likely exposure
Exposure is most likely in products, firmware images, boards, or embedded platforms that include OP-TEE 3.3.0 or earlier. Organizations may not see OP-TEE directly in application inventories, so firmware SBOMs, vendor advisories, and build manifests matter.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not marked as KEV. No public exploit status, attack prerequisites, or exploitation details are included in the bundle, so exploitation likelihood cannot be confirmed from these sources alone.
Researcher notes
Useful next work is exposure confirmation, not exploit reproduction. The source bundle lacks CVSS, CWE, and exploitability detail. Validate the exact OP-TEE version and whether the referenced optee_os commit is present in downstream vendor trees.
Mitigation direction
- Upgrade affected OP-TEE builds to version 3.4.0 or later.
- Check device or firmware vendor guidance for packaged updates containing the upstream fix.
- Prioritize systems where OP-TEE protects secrets, keys, payments, identity, or secure boot flows.
- Track compensating controls only as temporary measures until fixed firmware is available.
Validation and detection
- Inventory firmware and build manifests for OP-TEE versions 3.3.0 or earlier.
- Check SBOMs and vendor release notes for OP-TEE 3.4.0 or the referenced fix commit.
- Confirm deployed firmware images match the remediated build, not only source repositories.
- Record devices without vendor fixes for risk acceptance or replacement planning.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-1010295 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/OP-TEE/optee_os/commit/d5c5b0b77b2b589666024d219a8007b3f5b6faebCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.