4.3

CVE-2018-18511: mozilla firefox

Modified
AliasesUBUNTU-CVE-2018-18511DEBIAN-CVE-2018-18511ALPINE-CVE-2018-18511
Published 26-04-2019Last modified 05-08-2024

Vulnerability summary

CVE-2018-18511 is a medium (CVSS 4.3) vulnerability in mozilla firefox. EPSS estimates a 1.62% chance of exploitation in the next 30 days, higher than 76% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.3/10
010
Medium · v3.0 (NVD)
EPSS score
1.62%
0%100%
Low · -0.26 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 20 · Related 8
DLA-1800-1DLA-1806-1DSA-4448-1DSA-4451-1MGASA-2019-0190MGASA-2019-0191

Timeline

  1. 26-04-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Cross-origin images can be read from a canvas element in violation of the same-origin policy using the transferFromImageBitmap method. *Note: This only affects Firefox 65. Previous versions are unaffected.*. This vulnerability affects Firefox < 65.0.1.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.62%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

Decrease -0.26 pp

From 1.87% 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.

Ubuntu4 products
  • firefox< 65.0.1+build2-0ubuntu0.14.04.1 | < 65.0.1+build2-0ubuntu0.16.04.1 | < 65.0.1+build2-0ubuntu0.18.04.1
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
  • thunderbird< 1:60.7.0+build1-0ubuntu0.16.04.1 | < 1:60.7.0+build1-0ubuntu0.18.04.1
Debian2 products
  • firefox-esr< 60.7.0esr-1
  • thunderbird< 1:60.7.0-1
Alpine1 product
  • firefox-esr< 60.7.0-r0
Mozilla1 product
  • firefox≥ unspecified, < 65.0.1 | 65.0

4 vendors · 8 products

References

27 links
Show all 27 references