9.8

CVE-2024-7530: mozilla firefox Use After Free

CVSS: 9.8v3.1CriticalAnalyzed
AliasesUBUNTU-CVE-2024-7530CGA-4hhf-m2vj-vw43CGA-r75j-64gx-c3p7
Published 06-08-2024Last modified 08-08-2024
Open JSON

Vulnerability summary

CVE-2024-7530 is a critical (CVSS 9.8) Use After Free vulnerability in mozilla firefox. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.38%
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 3 · Related 5
OPENSUSE-SU-2024:14260-1OPENSUSE-SU-2026:11373-1USN-6966-1CGA-5MHG-3G7V-V43CCGA-G844-24XV-Q674

Timeline

  1. 06-08-2024
    PublishedVulnerability first disclosed.
  2. 08-08-2024
    Last modifiedVulnerability information updated.

Description

Incorrect garbage collection interaction could have led to a use-after-free. This vulnerability affects Firefox < 129.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.38%

Chance of exploitation in the next 30 days

Percentile

31%

Versus all other CVEs

30-day change

0.00 pp

From 0.38% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.38%

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

Ubuntu8 products
  • firefox< 129.0.1+build1-0ubuntu0.20.04.1
  • mozjs102All versions (No fix recorded)
  • mozjs115All versions (No fix recorded)
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
Chainguard2 products
  • firefox< 129.0.2-r0
  • firefox-esr< 129-r0
Mozilla1 product
  • firefox≥ unspecified, < 129 | < 129.0
Wolfi1 product
  • firefox< 129.0.2-r0

4 vendors · 12 products

References

6 links