Out-of-bounds write in Google Chrome
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.
Summary
Incorect derivation of a packet length in WebRTC in Google Chrome prior to 68.0.3440.75 allowed a remote attacker to potentially exploit heap corruption via a crafted video file.
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 |
|---|---|---|---|---|---|
| Chrome | before 68.0.3440.75 | 68.0.3440.75 | Patch available | CNA |
- Chrome VendorGoogle Affected before 68.0.3440.75 Fixed in 68.0.3440.75 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* | before 68.0.3440.75 | Vulnerable | |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* | 16.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 18.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* | 19.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* | 19.10 | Vulnerable | Canonical |
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 68.0.3440.75 Vulnerable ·Google
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* Versions 16.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* Versions 19.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* Versions 19.10 Vulnerable ·Canonical
Remediation
- Fix · CNA Chrome (Google) Fixed in 68.0.3440.75
Red Hat 1 advisory
- RHSA-2018:2282 Released 2018-07-30 · Red Hat rating Importantchromium-browser security update
- Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser-68.0.3440.75-1.el6_10
- Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser-68.0.3440.75-1.el6_10
- Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser-68.0.3440.75-1.el6_10
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Google Chrome 68.0.3440.75
12 records Highest priority Priority MEDIUM 4 MEDIUM, 8 LOW
Other records, highest priority first
- TI-2018-04520 Improper input validation in Google ChromePriority MEDIUM 40
- TI-2018-04516 Incorrect type conversion in Google ChromePriority MEDIUM 40
- TI-2018-04513 Out-of-bounds write in Google ChromePriority MEDIUM 40
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-2018:2282 |
| Red Hat Enterprise Linux Server Supplementary (v. 6) | Fixed | RHSA-2018:2282 |
| Red Hat Enterprise Linux Workstation Supplementary (v. 6) | Fixed | RHSA-2018:2282 |
Timeline
- 2026-10-02 Threatist record created from CVE-2018-6156
- 2026-10-03 Alias added: GHSA-7gg9-wvv7-mxp8
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-2018-6156 · CVE Program
- CVE-2018-6156 · NVD
- FIRST EPSS
- GHSA-7gg9-wvv7-mxp8 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-6156 · 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