CVE-2024-3858: mozilla firefox NULL Pointer Dereference
CVSS: 7.5v3.1HighAnalyzed
AliasesUBUNTU-CVE-2024-3858CGA-f5f4-cp2g-8jc8CGA-m5c5-9r36-qvq4
Published 16-04-2024Last modified 22-08-2024
Vulnerability summary
CVE-2024-3858 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in mozilla firefox. EPSS estimates a 0.57% chance of exploitation in the next 30 days, higher than 45.9% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.57%
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 3 · Related 4Timeline
- 16-04-2024PublishedVulnerability first disclosed.
- 22-08-2024Last modifiedVulnerability information updated.
Description
It was possible to mutate a JavaScript object so that the JIT could crash while tracing it. This vulnerability affects Firefox < 125.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.57%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
0.00 pp
From 0.57% on 19-09-2026
19-09-202619-10-2026
EPSS score0.57%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu7 products
- firefox< 125.0.2+build1-0ubuntu0.20.04.2
- mozjs102All versions (No fix recorded)
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- mozjs68All versions (No fix recorded)
Chainguard1 product
- firefox-esr< 125-r0
Mozilla1 product
- firefox≥ unspecified, < 125 | < 125.0
3 vendors · 9 products
References
6 links- bugzilla.mozilla.org/show_bug.cgi?id=1888892Issue Tracking
- www.mozilla.org/security/advisories/mfsa2024-18/Vendor Advisory