NULL pointer dereference in Tianocore EDK2
Priority LOW 34CWE-476Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 1 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.
Summary
Null pointer dereference in Tianocore EDK2 may allow an authenticated user to potentially enable escalation of privilege via local access.
Why it matters now
EPSS 0.00325 25th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 1 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Tianocore EDK2 | See reference | — | No fix listed | CNA |
- Tianocore EDK2 Vendor— Affected See reference Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2021:4198 Released 2021-11-09 · Red Hat rating Moderateedk2 security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 8) edk2-20210527gite1999b264f1f-3.el8, edk2-aarch64-20210527gite1999b264f1f-3.el8, edk2-ovmf-20210527gite1999b264f1f-3.el8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2021:4198 |
Not affected: 1 product
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2019-14584
- 2026-10-03 Alias added: GHSA-r5j3-cc22-8xx9
References
More TianoCore Edk2 vulnerabilities
- TI-2026-79288 Out-of-bounds write in Google Brotli decoder KEVCVSS 4.0CRITICAL 9.2
- TI-2023-24240 Buffer Overflow in EDK II Network Package CVSS 3.1HIGH 8.8
- TI-2023-24238 Infinite loop in EDK II Network Package CVSS 3.1HIGH 7.5
- TI-2023-24235 Buffer Overflow in EDK II Network Package CVSS 3.1HIGH 8.8
- TI-2023-26565 An insecure default to allow UEFI Shell in EDK2 was left enabled in Ubuntu's EDK2. CVSS 3.1MEDIUM 6.7
- TI-2023-24236 Out-of-Bounds Read in EDK II Network Package CVSS 3.1MEDIUM 6.5
Sources
- CVE-2019-14584 · CVE Program
- CVE-2019-14584 · NVD
- FIRST EPSS
- GHSA-r5j3-cc22-8xx9 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-14584 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences