CVE-2018-17480
KEVGoogle Chromium V8 Out-of-Bounds Write Vulnerability
Description
Google Chromium V8 Engine contains out-of-bounds write vulnerability that allows a remote attacker to execute code inside a sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Execution of user supplied Javascript during array deserialization leading to an out of bounds write in V8 in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HPublishedDec 11, 2018
Last modifiedJun 17, 2026
Added to KEVJun 8, 2022
Remediation dueJun 22, 2022
References
- securityfocus.com/bid/106084Broken LinkThird Party Advisory
- access.redhat.com/errata/RHSA-2018:3803Third Party Advisory
- chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.htmlVendor Advisory
- crbug.com/905940ExploitIssue Tracking
- security.gentoo.org/glsa/201908-18Third Party Advisory
- debian.org/security/2018/dsa-4352Mailing ListThird Party Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-17480US Government Resource
0 recent articles mention this CVE
78
Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1587 days
- CVSS
- 8.8 HIGH
- EPSS (30-day exploit probability)
- 35.6% · top 2% of all CVEs
- Weakness
- CWE-787
- Attack vector
- Network, remotely reachable
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.