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TI-2024-03603 Aliases CVE-2024-3863GHSA-3vhm-v3w9-8mr8

Unrestricted file upload in Mozilla Firefox

Priority MEDIUM 44CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-434.

Summary

The executable file warning was not presented when downloading .xrm-ms files. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00812 57th percentileScored 2026-11-07
Fix Fixed Firefox (Mozilla): 125Firefox ESR (Mozilla): 115.10+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaFirefoxbefore 125125Patch availableCNA
MozillaFirefox ESRbefore 115.10115.10Patch availableCNA
MozillaThunderbirdbefore 115.10115.10Patch availableCNA
  • Firefox VendorMozilla Affected before 125 Fixed in 125 Patch available CNA
  • Firefox ESR VendorMozilla Affected before 115.10 Fixed in 115.10 Patch available CNA
  • Thunderbird VendorMozilla Affected before 115.10 Fixed in 115.10 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*before 115.10.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*before 125.0VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*before 115.10VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* Versions before 115.10.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* Versions before 125.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 115.10 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 125
  • Fix · CNA Firefox ESR (Mozilla) Fixed in 115.10
  • Fix · CNA Thunderbird (Mozilla) Fixed in 115.10

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Mozilla Firefox 125

    15 records Highest priority Priority MEDIUM 4 MEDIUM, 11 LOW

    Other records, highest priority first

    • TI-2024-03605 Memory corruption in Mozilla FirefoxPriority MEDIUM 44
    • TI-2024-03596 Use after free in Mozilla FirefoxPriority MEDIUM 41
    • TI-2024-03598 NULL pointer dereference in Mozilla FirefoxPriority MEDIUM 40
    Show all 15 records →
  • Release ·

    Mozilla Firefox ESR, Thunderbird 115.10

    8 records Highest priority Priority MEDIUM 1 MEDIUM, 7 LOW

    Other records, highest priority first

    Show all 8 records →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 4 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-3863
  2. 2026-10-03 Alias added: GHSA-3vhm-v3w9-8mr8
  3. 2026-11-03 CISA SSVC decision points changed

References

Advisory 3

Other 1

  • TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
  • TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
  • TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
See all 3444 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences