8.8

CVE-2024-6609: mozilla firefox

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2024-6609DEBIAN-CVE-2024-6609CGA-cjp3-684x-4v25
Published 09-07-2024Last modified 03-11-2025

Vulnerability summary

CVE-2024-6609 is a high (CVSS 8.8) vulnerability in mozilla firefox. EPSS estimates a 0.58% chance of exploitation in the next 30 days, higher than 46.3% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.58%
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 8 · Related 8

Timeline

  1. 09-07-2024
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

Description

When almost out-of-memory an elliptic curve key which was never allocated could have been freed again. This vulnerability affects Firefox < 128 and Thunderbird < 128.

CVSS metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

0.58%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

0.00 pp

From 0.58% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.58%

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

No weakness data has been published for this record.

Affected systems

Ubuntu7 products
  • firefox< 128.0+build2-0ubuntu0.20.04.1
  • mozjs102All versions (No fix recorded)
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
  • mozjs68All versions (No fix recorded)
Chainguard2 products
  • firefox< 128.0-r0
  • firefox-esr< 128-r0
Mozilla2 products
Debian1 product
  • nss< 2:3.87.1-1+deb12u1 | < 2:3.101-1
Wolfi1 product
  • firefox< 128.0-r0

5 vendors · 13 products

References

9 links