The Web Cryptography API (aka WebCrypto) implementation in Blink, as used in Google…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
The Web Cryptography API (aka WebCrypto) implementation in Blink, as used in Google Chrome before 52.0.2743.116, does not properly copy data buffers, which allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted JavaScript code, related to NormalizeAlgorithm.cpp and SubtleCrypto.cpp.
Why it matters now
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2016:1580 Released 2016-08-09 · Red Hat rating Importantchromium-browser security update
- Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser-52.0.2743.116-1.el6
- Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser-52.0.2743.116-1.el6
- Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser-52.0.2743.116-1.el6
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Desktop Supplementary (v. 6) | Fixed | RHSA-2016:1580 |
| Red Hat Enterprise Linux Server Supplementary (v. 6) | Fixed | RHSA-2016:1580 |
| Red Hat Enterprise Linux Workstation Supplementary (v. 6) | Fixed | RHSA-2016:1580 |
Timeline
- 2026-10-02 Threatist record created from CVE-2016-5142
- 2026-10-03 Alias added: GHSA-g54g-mw8m-9fqx
References
More Google Chrome vulnerabilities
- TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
- TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04898 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04600 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04346 Use after free in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2023-05824 Integer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6
Sources
- CVE-2016-5142 · CVE Program
- CVE-2016-5142 · NVD
- FIRST EPSS
- GHSA-g54g-mw8m-9fqx · GitHub Advisory Database · CC BY 4.0
- CVE-2016-5142 · 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