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TI-2025-13092 Aliases CVE-2025-14331GHSA-pq76-9m6x-m6mx

Origin validation error in Mozilla Firefox

Priority LOW 34CWE-346Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · None
Fix status
Partial Red Hat: 17 fixed, 3 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-346.

Summary

Same-origin policy bypass in the Request Handling component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00187 8th percentileScored 2026-11-07
Fix Partial Firefox (Mozilla): 115.31, 140.6, 146Thunderbird (Mozilla): 140.6, 146Red Hat: 25 advisoriesRed Hat: 17 fixed, 3 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaFirefox—115.31, 140.6, 146Patch availableCNA
MozillaThunderbird—140.6, 146Patch availableCNA
  • Firefox VendorMozilla Affected — Fixed in 115.31, 140.6, 146 Patch available CNA
  • Thunderbird VendorMozilla Affected — Fixed in 140.6, 146 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*before 115.31.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*before 146.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*116.0 to before 140.6.0VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*before 140.6.0VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*before 146.0VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* Versions before 115.31.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* Versions before 146.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* Versions 116.0 to before 140.6.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:* Versions before 140.6.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:* Versions before 146.0 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 115.31, 140.6, 146
  • Fix · CNA Thunderbird (Mozilla) Fixed in 140.6, 146

Red Hat 25 advisories

  • RHSA-2026:0124 Released 2026-01-06 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream EUS (v. 10.0) thunderbird-140.6.0-1.el10_0
  • RHSA-2026:0127 Released 2026-01-06 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream EUS (v. 10.0) firefox-140.6.0-1.el10_0
  • RHSA-2026:0013 Released 2026-01-05 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) firefox-140.6.0-2.el9_6, firefox-x11-140.6.0-2.el9_6
Show 22 more Red Hat advisories
  • RHSA-2026:0016 Released 2026-01-05 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) firefox-140.6.0-1.el9_4, firefox-x11-140.6.0-1.el9_4
  • RHSA-2026:0022 Released 2026-01-05 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) thunderbird-140.6.0-1.el8_6
    • Red Hat Enterprise Linux AppStream E4S (v.8.6) thunderbird-140.6.0-1.el8_6
    • Red Hat Enterprise Linux AppStream TUS (v.8.6) thunderbird-140.6.0-1.el8_6
  • RHSA-2026:0021 Released 2026-01-05 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) thunderbird-140.6.0-1.el8_8
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) thunderbird-140.6.0-1.el8_8
  • RHSA-2026:0026 Released 2026-01-05 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 8) thunderbird-140.6.0-1.el8_10
  • RHSA-2026:0003 Released 2026-01-05 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) thunderbird-140.6.0-1.el9_6
  • RHSA-2026:0004 Released 2026-01-05 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) thunderbird-140.6.0-1.el9_4
  • RHSA-2026:0023 Released 2026-01-05 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) thunderbird-140.6.0-1.el8_4
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) thunderbird-140.6.0-1.el8_4
  • RHSA-2026:0017 Released 2026-01-05 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) firefox-140.6.0-1.el9_2, firefox-x11-140.6.0-1.el9_2
  • RHSA-2026:0014 Released 2026-01-05 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) firefox-140.6.0-2.el8_6
    • Red Hat Enterprise Linux AppStream E4S (v.8.6) firefox-140.6.0-2.el8_6
    • Red Hat Enterprise Linux AppStream TUS (v.8.6) firefox-140.6.0-2.el8_6
  • RHSA-2026:0019 Released 2026-01-05 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) thunderbird-140.6.0-1.el9_2
  • RHSA-2026:0018 Released 2026-01-05 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) firefox-140.6.0-1.el9_0
  • RHSA-2026:0020 Released 2026-01-05 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) thunderbird-140.6.0-1.el9_0
  • RHSA-2026:0007 Released 2026-01-05 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) firefox-140.6.0-1.el7_9
  • RHSA-2026:0015 Released 2026-01-05 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) firefox-140.6.0-2.el8_8
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) firefox-140.6.0-2.el8_8
  • RHSA-2026:0025 Released 2026-01-05 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 10) thunderbird-140.6.0-1.el10_1
  • RHSA-2026:0024 Released 2026-01-05 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) thunderbird-140.6.0-1.el8_2
  • RHSA-2026:0006 Released 2026-01-05 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) firefox-140.6.0-2.el8_4
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) firefox-140.6.0-2.el8_4
  • RHSA-2026:0005 Released 2026-01-05 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) firefox-140.6.0-1.el8_2
  • RHSA-2025:23856 Released 2025-12-22 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 9) thunderbird-140.6.0-1.el9_7
  • RHSA-2025:23128 Released 2025-12-11 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 8) firefox-140.6.0-1.el8_10
  • RHSA-2025:23034 Released 2025-12-10 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 9) firefox-140.6.0-1.el9_7, firefox-x11-140.6.0-1.el9_7
  • RHSA-2025:23035 Released 2025-12-10 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 10) firefox-140.6.0-1.el10_1

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 10AffectedNo fix yet
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2025:23035, RHSA-2026:0025
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2025:23128, RHSA-2026:0026
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2025:23034, RHSA-2025:23856
Red Hat Enterprise Linux AppStream AUS (v. 8.2)Fixed RHSA-2026:0005, RHSA-2026:0024
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2026:0006, RHSA-2026:0023
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2026:0014, RHSA-2026:0022
Red Hat Enterprise Linux AppStream E4S (v.8.6)Fixed RHSA-2026:0014, RHSA-2026:0022
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2026:0015, RHSA-2026:0021
Red Hat Enterprise Linux AppStream E4S (v.9.0)Fixed RHSA-2026:0018, RHSA-2026:0020
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2026:0017, RHSA-2026:0019
Red Hat Enterprise Linux AppStream EUS (v. 10.0)Fixed RHSA-2026:0124, RHSA-2026:0127
Red Hat Enterprise Linux AppStream EUS (v.9.4)Fixed RHSA-2026:0004, RHSA-2026:0016
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:0003, RHSA-2026:0013
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Fixed RHSA-2026:0006, RHSA-2026:0023
Red Hat Enterprise Linux AppStream TUS (v.8.6)Fixed RHSA-2026:0014, RHSA-2026:0022
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2026:0015, RHSA-2026:0021
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2026:0007

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-14331
  2. 2026-10-03 Alias added: GHSA-pq76-9m6x-m6mx

References

Advisory 5

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