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TI-2025-08419 Aliases CVE-2025-9182GHSA-mv5m-p837-6xm9

Uncontrolled resource consumption in Mozilla Firefox

Priority LOW 39CWE-400Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-400.

Summary

Denial-of-service due to out-of-memory in the Graphics: WebRender component. This vulnerability was fixed in Firefox 142, Firefox ESR 140.2, Thunderbird 142, and Thunderbird 140.2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00411 35th percentileScored 2026-11-07
Fix Fixed Firefox (Mozilla): 140.2, 142Thunderbird (Mozilla): 140.2, 142Red Hat: 21 advisories

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—140.2, 142Patch availableCNA
MozillaThunderbird—140.2, 142Patch availableCNA
  • Firefox VendorMozilla Affected — Fixed in 140.2, 142 Patch available CNA
  • Thunderbird VendorMozilla Affected — Fixed in 140.2, 142 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*before 140.2.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*before 142.0VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*before 140.2.0VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*before 142.0VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* Versions before 140.2.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* Versions before 142.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:* Versions before 140.2.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:* Versions before 142.0 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 140.2, 142
  • Fix · CNA Thunderbird (Mozilla) Fixed in 140.2, 142

Red Hat 21 advisories

  • RHSA-2025:15535 Released 2025-09-09 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) thunderbird-128.14.0-3.el8_6
    • Red Hat Enterprise Linux AppStream E4S (v.8.6) thunderbird-128.14.0-3.el8_6
    • Red Hat Enterprise Linux AppStream TUS (v.8.6) thunderbird-128.14.0-3.el8_6
  • RHSA-2025:15496 Released 2025-09-08 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) thunderbird-128.14.0-3.el8_4
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) thunderbird-128.14.0-3.el8_4
  • RHSA-2025:15438 Released 2025-09-08 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) thunderbird-128.14.0-3.el8_8
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) thunderbird-128.14.0-3.el8_8
Show 18 more Red Hat advisories
  • RHSA-2025:15435 Released 2025-09-08 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) thunderbird-128.14.0-3.el9_2
  • RHSA-2025:15434 Released 2025-09-08 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) thunderbird-128.14.0-3.el9_4
  • RHSA-2025:15437 Released 2025-09-08 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) thunderbird-128.14.0-3.el8_2
  • RHSA-2025:15436 Released 2025-09-08 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) thunderbird-128.14.0-3.el9_0
  • RHSA-2025:15430 Released 2025-09-08 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) firefox-128.14.0-2.el7_9
  • RHSA-2025:15423 Released 2025-09-08 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) firefox-128.14.0-2.el9_4, firefox-x11-128.14.0-2.el9_4
  • RHSA-2025:15424 Released 2025-09-08 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) firefox-128.14.0-2.el8_8
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) firefox-128.14.0-2.el8_8
  • RHSA-2025:15422 Released 2025-09-08 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) firefox-128.14.0-2.el8_6
    • Red Hat Enterprise Linux AppStream E4S (v.8.6) firefox-128.14.0-2.el8_6
    • Red Hat Enterprise Linux AppStream TUS (v.8.6) firefox-128.14.0-2.el8_6
  • RHSA-2025:15420 Released 2025-09-08 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) firefox-128.14.0-2.el9_0
  • RHSA-2025:15421 Released 2025-09-08 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) firefox-128.14.0-2.el9_2, firefox-x11-128.14.0-2.el9_2
  • RHSA-2025:15418 Released 2025-09-08 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) firefox-128.14.0-2.el8_2
  • RHSA-2025:15419 Released 2025-09-08 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) firefox-128.14.0-2.el8_4
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) firefox-128.14.0-2.el8_4
  • RHSA-2025:14844 Released 2025-08-28 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 10) thunderbird-128.14.0-3.el10_0
  • RHSA-2025:14743 Released 2025-08-27 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 8) thunderbird-128.14.0-3.el8_10
  • RHSA-2025:14640 Released 2025-08-26 · Red Hat rating Important
    thunderbird security update
    • Red Hat Enterprise Linux AppStream (v. 9) thunderbird-128.14.0-3.el9_6
  • RHSA-2025:14442 Released 2025-08-25 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 8) firefox-128.14.0-2.el8_10
  • RHSA-2025:14416 Released 2025-08-25 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 9) firefox-128.14.0-2.el9_6, firefox-x11-128.14.0-2.el9_6
  • RHSA-2025:14417 Released 2025-08-25 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux AppStream (v. 10) firefox-128.14.0-2.el10_0

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2025:14417, RHSA-2025:14844
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2025:14442, RHSA-2025:14743
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2025:14416, RHSA-2025:14640
Red Hat Enterprise Linux AppStream AUS (v. 8.2)Fixed RHSA-2025:15418, RHSA-2025:15437
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2025:15419, RHSA-2025:15496
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2025:15422, RHSA-2025:15535
Red Hat Enterprise Linux AppStream E4S (v.8.6)Fixed RHSA-2025:15422, RHSA-2025:15535
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2025:15424, RHSA-2025:15438
Red Hat Enterprise Linux AppStream E4S (v.9.0)Fixed RHSA-2025:15420, RHSA-2025:15436
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2025:15421, RHSA-2025:15435
Red Hat Enterprise Linux AppStream EUS (v.9.4)Fixed RHSA-2025:15423, RHSA-2025:15434
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Fixed RHSA-2025:15419, RHSA-2025:15496
Red Hat Enterprise Linux AppStream TUS (v.8.6)Fixed RHSA-2025:15422, RHSA-2025:15535
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2025:15424, RHSA-2025:15438
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2025:15430
Not affected: 3 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-9182
  2. 2026-10-03 Alias added: GHSA-mv5m-p837-6xm9

References

Advisory 4

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