5.4

CVE-2026-74975: mozilla firefox_mobile

CVSS: 5.4v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-74975
Published 18-08-2026Last modified 18-08-2026
Open JSON

Vulnerability summary

CVE-2026-74975 is a medium (CVSS 5.4) vulnerability in mozilla firefox_mobile. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.25%
0%100%
Low · +0.09 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-2026:11580-1SUSE-SU-2026:3658-1SUSE-SU-2026:3683-1

Timeline

  1. 18-08-2026
    PublishedVulnerability first disclosed.
  2. 18-08-2026
    Last modifiedVulnerability information updated.

Description

Spoofing issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 154.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

+0.09 pp

From 0.15% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.25%

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

Ubuntu8 products
  • mozjs102All versions (No fix recorded)
  • mozjs115All versions (No fix recorded)
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
  • mozjs68All versions (No fix recorded)
Mozilla1 product

2 vendors · 9 products

References

5 links