6.5

CVE-2025-3608: mozilla firefox Race Condition

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2025-3608CGA-6fmj-3659-56q7CGA-84m9-hgvx-vcxc
Published 15-04-2025Last modified 13-04-2026
Open JSON

Vulnerability summary

CVE-2025-3608 is a medium (CVSS 6.5) Race Condition vulnerability in mozilla firefox. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.8% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.32%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 2
OPENSUSE-SU-2026:11373-1CGA-MJR5-VWM4-P32X

Timeline

  1. 15-04-2025
    PublishedVulnerability first disclosed.
  2. 13-04-2026
    Last modifiedVulnerability information updated.

Description

A race condition existed in nsHttpTransaction that could have been exploited to cause memory corruption, potentially leading to an exploitable condition. This vulnerability was fixed in Firefox 137.0.2.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.32%

Chance of exploitation in the next 30 days

Percentile

24%

Versus all other CVEs

30-day change

+0.01 pp

From 0.32% on 22-09-2026

22-09-202622-10-2026
EPSS score
0.32%

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

Ubuntu7 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< 137.0.2-r0
  • firefox-esr< 137.0.2-r0
Mozilla1 product
Opensuse1 product
  • MozillaFirefox&distro=openSUSE Tumbleweed< 137.0.2-1.1
Wolfi1 product
  • firefox< 137.0.2-r0

5 vendors · 12 products

References

7 links