9.8

CVE-2018-18504: canonical ubuntu_linux Out-of-bounds Read

CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2018-18504
Published 05-02-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-18504 is a critical (CVSS 9.8) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 1.79% chance of exploitation in the next 30 days, higher than 78% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
1.79%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 3
OPENSUSE-SU-2024:10600-1OPENSUSE-SU-2024:14572-1USN-3874-1

Timeline

  1. 05-02-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A crash and out-of-bounds read can occur when the buffer of a texture client is freed while it is still in use during graphic operations. This results is a potentially exploitable crash and the possibility of reading from the memory of the freed buffers. This vulnerability affects Firefox < 65.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.79%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

0.00 pp

From 1.79% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.79%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu3 products
  • firefox< 65.0+build2-0ubuntu0.14.04.1 | < 65.0+build2-0ubuntu0.16.04.1 | < 65.0+build2-0ubuntu0.18.04.1
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
Canonical1 product
Mozilla1 product

3 vendors · 5 products

References

7 links