8.8

CVE-2018-17480: Google Chromium V8 Out-of-Bounds Write Vulnerability

KEV
Analyzed
AliasesUBUNTU-CVE-2018-17480DEBIAN-CVE-2018-17480
Published 11-12-2018Last modified 21-10-2025

Vulnerability summary

CVE-2018-17480 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in Google Chromium V8. It is known to be exploited: CISA lists it, first on 08-06-2022. EPSS estimates a 35.64% chance of exploitation in the next 30 days, higher than 98.4% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Act nowlisted as exploited

Listed as exploited by CISA (08-06-2022)

Source freshness unavailable

How is this decided?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
35.64%
0%100%
High · 0.00 pp in 30 days
KEVExploited in the wildCritical · listed in 1 catalog
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 5 · Related 3

Timeline

  1. 11-12-2018
    PublishedVulnerability first disclosed.
  2. 08-06-2022
    Added to CISA KEVExploitedGoogle Chromium V8 Out-of-Bounds Write Vulnerability
  3. 22-06-2022
    CISA remediation dueDeadline passedApply updates per vendor instructions.
  4. 21-10-2025
    Last modifiedVulnerability information updated.

Description

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 metrics

6 scores · 4 sources · 3 versions

EPSS trend

Probability

35.64%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

No change 0.00 pp

From 35.64% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
08-06-2022
Federal due date
22-06-2022
ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

CISA required action

Apply updates per vendor instructions. nvd.nist.gov/vuln/detail/CVE-2018-17480

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (crbug.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Redhat3 products
Debian2 products
Google1 product
  • chrome≥ unspecified, < 71.0.3578.80 | < 71.0.3578.80
Ubuntu1 product
  • chromium-browser< 71.0.3578.80-0ubuntu0.16.04.1 | < 71.0.3578.80-0ubuntu0.18.04.1

4 vendors · 7 products

References

11 links
Show all 11 references