CVE-2024-6609: mozilla firefox
CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2024-6609DEBIAN-CVE-2024-6609CGA-cjp3-684x-4v25CGA-fhr3-c633-vfmqCGA-7x6x-33w4-4pv4CGA-cpfm-f9qg-59rg
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.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
0.58%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 8 · Related 8Timeline
- 09-07-2024PublishedVulnerability first disclosed.
- 03-11-2025Last 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 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 6 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · WolfiEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · ChainguardEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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 score0.58%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo 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
- firefox≥ unspecified, < 128 | < 128.0
- thunderbird≥ unspecified, < 128 | < 128.0
Debian1 product
- nss< 2:3.87.1-1+deb12u1 | < 2:3.101-1
Wolfi1 product
- firefox< 128.0-r0
5 vendors · 13 products