9.8

CVE-2024-9392: mozilla firefox Origin Validation Error

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2024-9392DEBIAN-CVE-2024-9392CGA-6mhx-vf3v-qpm4
Published 01-10-2024Last modified 03-11-2025

Vulnerability summary

CVE-2024-9392 is a critical (CVSS 9.8) Origin Validation Error vulnerability in mozilla firefox. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.9% 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
0.53%
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 32 · Related 12

Timeline

  1. 01-10-2024
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

Description

A compromised content process could have allowed for the arbitrary loading of cross-origin pages. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Firefox ESR < 115.16, Thunderbird < 128.3, and Thunderbird < 131.

CVSS metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

0.53%

Chance of exploitation in the next 30 days

Percentile

44%

Versus all other CVEs

30-day change

0.00 pp

From 0.53% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.53%

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 | < 115.6.0 | < 131.0
  • firefox_esr≥ unspecified, < 128.3 | ≥ unspecified, < 115.16
  • 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
Debian2 products
  • firefox-esr< 128.3.0esr-1~deb12u1 | < 128.3.0esr-1
  • thunderbird< 1:115.16.0esr-1~deb12u1 | < 1:128.3.0esr-1
Wolfi1 product
  • firefox< 136.0.2-r0

5 vendors · 17 products

References

16 links
Show all 16 references