7.5

CVE-2025-9182: mozilla firefox Uncontrolled Resource Consumption

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2025-9182CGA-3xr4-cmg5-j7fwCGA-8v49-9jm7-c6pw
Published 19-08-2025Last modified 13-04-2026
Open JSON

Vulnerability summary

CVE-2025-9182 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in mozilla firefox. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 33.9% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.41%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 27 · Related 9
OPENSUSE-SU-2025:15467-1OPENSUSE-SU-2025:15472-1OPENSUSE-SU-2025:15516-1RHSA-2025:14416RHSA-2025:14417RHSA-2025:14442

Timeline

  1. 19-08-2025
    PublishedVulnerability first disclosed.
  2. 13-04-2026
    Last modifiedVulnerability information updated.

Description

Denial-of-service due to out-of-memory in the Graphics: WebRender component. This vulnerability was fixed in Firefox 142, Firefox ESR 140.2, Thunderbird 142, and Thunderbird 140.2.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.41%

Chance of exploitation in the next 30 days

Percentile

34%

Versus all other CVEs

30-day change

+0.04 pp

From 0.38% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.41%

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)
Chainguard2 products
  • firefox< 140.2-r0
  • firefox-esr< 140.2-r0
Mozilla2 products
Wolfi1 product
  • firefox< 140.2-r0

4 vendors · 13 products

References

9 links