8.8

CVE-2018-18342: debian debian_linux Out-of-bounds Write

Modified
AliasesUBUNTU-CVE-2018-18342DEBIAN-CVE-2018-18342
Published 11-12-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-18342 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 2.65% chance of exploitation in the next 30 days, higher than 85.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 8.8, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.8/10
010
High · v3.0 (NVD)
EPSS score
2.65%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 3
DSA-4352-1OPENSUSE-SU-2018:4143-1OPENSUSE-SU-2024:10681-1OPENSUSE-SU-2024:12948-1RHSA-2018:3803

Timeline

  1. 11-12-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Execution of user supplied Javascript during object deserialization can update object length 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

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.65%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.65% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

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

9 links