8.1

CVE-2024-3864: debian debian_linux

CVSS: 8.1v3.1HighAnalyzed
AliasesUBUNTU-CVE-2024-3864DEBIAN-CVE-2024-3864CGA-fx6r-rf8w-2gr3
Published 16-04-2024Last modified 28-03-2025

Vulnerability summary

CVE-2024-3864 is a high (CVSS 8.1) vulnerability in debian debian_linux. EPSS estimates a 0.85% chance of exploitation in the next 30 days, higher than 57.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
43/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.85%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 34 · Related 12

Timeline

  1. 16-04-2024
    PublishedVulnerability first disclosed.
  2. 28-03-2025
    Last modifiedVulnerability information updated.

Description

Memory safety bug present in Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.85%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

0.00 pp

From 0.85% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.85%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugzilla.mozilla.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Ubuntu8 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)
Debian3 products
  • firefox-esr< 115.10.0esr-1~deb12u1 | < 115.10.0esr-1
  • thunderbird< 1:115.10.1-1~deb12u1 | < 1:115.10.1-1
  • debian_linuxEOL10.0
Mozilla3 products
Chainguard1 product
  • firefox-esr< 115.10.0-r0

4 vendors · 15 products

References

13 links
Show all 13 references