8.8

CVE-2024-9396: mozilla firefox

CVSS: 8.8v3.1HighAnalyzed
AliasesUBUNTU-CVE-2024-9396DEBIAN-CVE-2024-9396CGA-w6hc-rr72-q9fq
Published 01-10-2024Last modified 01-10-2024

Vulnerability summary

CVE-2024-9396 is a high (CVSS 8.8) vulnerability in mozilla firefox. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 47% 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
0.59%
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 27 · Related 13

Timeline

  1. 01-10-2024
    PublishedVulnerability first disclosed.
  2. 01-10-2024
    Last modifiedVulnerability information updated.

Description

It is currently unknown if this issue is exploitable but a condition may arise where the structured clone of certain objects could lead to memory corruption. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.

CVSS metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

0.59%

Chance of exploitation in the next 30 days

Percentile

47%

Versus all other CVEs

30-day change

0.00 pp

From 0.59% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.59%

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

Ubuntu9 products
  • firefox< 131.0+build1.1-0ubuntu0.20.04.1
  • mozjs102All versions (No fix recorded)
  • mozjs115All versions (No fix recorded)
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
Mozilla3 products
  • firefox≥ unspecified, < 131 | < 128.3.0 | < 131.0
  • firefox_esr≥ unspecified, < 128.3
  • thunderbird≥ unspecified, < 128.3 | ≥ unspecified, < 131 | < 128.3.0 | ≥ 129.0, < 131.0
Chainguard2 products
  • firefox< 136.0.2-r0
  • firefox-esr< 128.3.0-r0
Debian1 product
  • thunderbird< 1:128.3.0esr-1
Wolfi1 product
  • firefox< 136.0.2-r0

5 vendors · 16 products

References

12 links
Show all 12 references