CVE-2024-0752: mozilla firefox Use After Free
CVSS: 6.5v3.1MediumModified
AliasesCGA-9v22-cj43-f57cCGA-fm62-xr2j-23v4
Published 23-01-2024Last modified 20-06-2025
Vulnerability summary
CVE-2024-0752 is a medium (CVSS 6.5) Use After Free vulnerability in mozilla firefox. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 34.7% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.42%
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 2 · Related 3Timeline
- 23-01-2024PublishedVulnerability first disclosed.
- 20-06-2025Last modifiedVulnerability information updated.
Description
A use-after-free crash could have occurred on macOS if a Firefox update were being applied on a very busy system. This could have resulted in an exploitable crash. This vulnerability affects Firefox < 122.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
35%
Versus all other CVEs
30-day change
0.00 pp
From 0.42% on 18-09-2026
18-09-202618-10-2026
EPSS score0.42%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard1 product
- firefox-esr< 122.0-r0
Mozilla1 product
- firefox≥ unspecified, < 122 | < 122.0
2 vendors · 2 products