Denial-of-service due to out-of-memory in the Graphics: WebRender component
Published Aug 19, 2025
7.5
HIGHCVSS 3.1
EPSS 0.40%
Description
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.
Affected products
No data.
- < 140.2.0
- < 142.0
- < 140.2.0
- < 142.0
No data.
Red Hat Enterprise Linux 10
firefox-0:128.14.0-2.el10_0
Fixed · RHSA-2025:14417
Red Hat Enterprise Linux 10
thunderbird-0:128.14.0-3.el10_0
Fixed · RHSA-2025:14844
Red Hat Enterprise Linux 7 Extended Lifecycle Support
firefox-0:128.14.0-2.el7_9
Fixed · RHSA-2025:15430
Red Hat Enterprise Linux 8
firefox-0:128.14.0-2.el8_10
Fixed · RHSA-2025:14442
Red Hat Enterprise Linux 8
thunderbird-0:128.14.0-3.el8_10
Fixed · RHSA-2025:14743
Red Hat Enterprise Linux 8.2 Advanced Update Support
firefox-0:128.14.0-2.el8_2
Fixed · RHSA-2025:15418
Red Hat Enterprise Linux 8.2 Advanced Update Support
thunderbird-0:128.14.0-3.el8_2
Fixed · RHSA-2025:15437
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
firefox-0:128.14.0-2.el8_4
Fixed · RHSA-2025:15419
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
thunderbird-0:128.14.0-3.el8_4
Fixed · RHSA-2025:15496
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
firefox-0:128.14.0-2.el8_4
Fixed · RHSA-2025:15419
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
thunderbird-0:128.14.0-3.el8_4
Fixed · RHSA-2025:15496
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
firefox-0:128.14.0-2.el8_6
Fixed · RHSA-2025:15422
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
thunderbird-0:128.14.0-3.el8_6
Fixed · RHSA-2025:15535
Red Hat Enterprise Linux 8.6 Telecommunications Update Service
firefox-0:128.14.0-2.el8_6
Fixed · RHSA-2025:15422
Red Hat Enterprise Linux 8.6 Telecommunications Update Service
thunderbird-0:128.14.0-3.el8_6
Fixed · RHSA-2025:15535
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
firefox-0:128.14.0-2.el8_6
Fixed · RHSA-2025:15422
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
thunderbird-0:128.14.0-3.el8_6
Fixed · RHSA-2025:15535
Red Hat Enterprise Linux 8.8 Telecommunications Update Service
firefox-0:128.14.0-2.el8_8
Fixed · RHSA-2025:15424
Red Hat Enterprise Linux 8.8 Telecommunications Update Service
thunderbird-0:128.14.0-3.el8_8
Fixed · RHSA-2025:15438
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
firefox-0:128.14.0-2.el8_8
Fixed · RHSA-2025:15424
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
thunderbird-0:128.14.0-3.el8_8
Fixed · RHSA-2025:15438
Red Hat Enterprise Linux 9
firefox-0:128.14.0-2.el9_6
Fixed · RHSA-2025:14416
Red Hat Enterprise Linux 9
thunderbird-0:128.14.0-3.el9_6
Fixed · RHSA-2025:14640
Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
firefox-0:128.14.0-2.el9_0
Fixed · RHSA-2025:15420
Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
thunderbird-0:128.14.0-3.el9_0
Fixed · RHSA-2025:15436
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
firefox-0:128.14.0-2.el9_2
Fixed · RHSA-2025:15421
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
thunderbird-0:128.14.0-3.el9_2
Fixed · RHSA-2025:15435
Red Hat Enterprise Linux 9.4 Extended Update Support
firefox-0:128.14.0-2.el9_4
Fixed · RHSA-2025:15423
Red Hat Enterprise Linux 9.4 Extended Update Support
thunderbird-0:128.14.0-3.el9_4
Fixed · RHSA-2025:15434
Red Hat Enterprise Linux 10
rhel10/firefox-flatpak
Not affected
Red Hat Enterprise Linux 10
rhel10/thunderbird-flatpak
Not affected
Red Hat Enterprise Linux 6
firefox
Not affected
Red Hat Enterprise Linux 6
thunderbird
Not affected
Red Hat Enterprise Linux 7
thunderbird
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 10 | firefox-0:128.14.0-2.el10_0 | Fixed | RHSA-2025:14417 |
| Red Hat Enterprise Linux 10 | thunderbird-0:128.14.0-3.el10_0 | Fixed | RHSA-2025:14844 |
| Red Hat Enterprise Linux 7 Extended Lifecycle Support | firefox-0:128.14.0-2.el7_9 | Fixed | RHSA-2025:15430 |
| Red Hat Enterprise Linux 8 | firefox-0:128.14.0-2.el8_10 | Fixed | RHSA-2025:14442 |
| Red Hat Enterprise Linux 8 | thunderbird-0:128.14.0-3.el8_10 | Fixed | RHSA-2025:14743 |
| Red Hat Enterprise Linux 8.2 Advanced Update Support | firefox-0:128.14.0-2.el8_2 | Fixed | RHSA-2025:15418 |
| Red Hat Enterprise Linux 8.2 Advanced Update Support | thunderbird-0:128.14.0-3.el8_2 | Fixed | RHSA-2025:15437 |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | firefox-0:128.14.0-2.el8_4 | Fixed | RHSA-2025:15419 |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | thunderbird-0:128.14.0-3.el8_4 | Fixed | RHSA-2025:15496 |
| Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | firefox-0:128.14.0-2.el8_4 | Fixed | RHSA-2025:15419 |
| Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | thunderbird-0:128.14.0-3.el8_4 | Fixed | RHSA-2025:15496 |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | firefox-0:128.14.0-2.el8_6 | Fixed | RHSA-2025:15422 |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | thunderbird-0:128.14.0-3.el8_6 | Fixed | RHSA-2025:15535 |
| Red Hat Enterprise Linux 8.6 Telecommunications Update Service | firefox-0:128.14.0-2.el8_6 | Fixed | RHSA-2025:15422 |
| Red Hat Enterprise Linux 8.6 Telecommunications Update Service | thunderbird-0:128.14.0-3.el8_6 | Fixed | RHSA-2025:15535 |
| Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | firefox-0:128.14.0-2.el8_6 | Fixed | RHSA-2025:15422 |
| Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | thunderbird-0:128.14.0-3.el8_6 | Fixed | RHSA-2025:15535 |
| Red Hat Enterprise Linux 8.8 Telecommunications Update Service | firefox-0:128.14.0-2.el8_8 | Fixed | RHSA-2025:15424 |
| Red Hat Enterprise Linux 8.8 Telecommunications Update Service | thunderbird-0:128.14.0-3.el8_8 | Fixed | RHSA-2025:15438 |
| Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | firefox-0:128.14.0-2.el8_8 | Fixed | RHSA-2025:15424 |
| Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | thunderbird-0:128.14.0-3.el8_8 | Fixed | RHSA-2025:15438 |
| Red Hat Enterprise Linux 9 | firefox-0:128.14.0-2.el9_6 | Fixed | RHSA-2025:14416 |
| Red Hat Enterprise Linux 9 | thunderbird-0:128.14.0-3.el9_6 | Fixed | RHSA-2025:14640 |
| Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | firefox-0:128.14.0-2.el9_0 | Fixed | RHSA-2025:15420 |
| Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | thunderbird-0:128.14.0-3.el9_0 | Fixed | RHSA-2025:15436 |
| Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | firefox-0:128.14.0-2.el9_2 | Fixed | RHSA-2025:15421 |
| Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | thunderbird-0:128.14.0-3.el9_2 | Fixed | RHSA-2025:15435 |
| Red Hat Enterprise Linux 9.4 Extended Update Support | firefox-0:128.14.0-2.el9_4 | Fixed | RHSA-2025:15423 |
| Red Hat Enterprise Linux 9.4 Extended Update Support | thunderbird-0:128.14.0-3.el9_4 | Fixed | RHSA-2025:15434 |
| Red Hat Enterprise Linux 10 | rhel10/firefox-flatpak | Not affected | n/a |
| Red Hat Enterprise Linux 10 | rhel10/thunderbird-flatpak | Not affected | n/a |
| Red Hat Enterprise Linux 6 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 6 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 7 | thunderbird | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Aug 20, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2025–2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.40% (0.00395) | 31.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.35% (0.00351) | 26.75th | v5 (v2026.06.15) |
| Aug 20, 2025 | 0.02% (0.00018) | 2.87th | v4 (v2025.03.14) |
References (9)
- https://access.redhat.com/security/cve/CVE-2025-9182 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1975837 Issue TrackingPermissions Required
- https://bugzilla.redhat.com/show_bug.cgi?id=2389575 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2025-9182
- https://www.cve.org/CVERecord?id=CVE-2025-9182
- https://www.mozilla.org/security/advisories/mfsa2025-64/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-67/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-70/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-72/ Vendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2025-9182 | Vendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1975837 | Issue TrackingPermissions Required | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2389575 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2025-9182 | ||
| https://www.cve.org/CVERecord?id=CVE-2025-9182 | ||
| https://www.mozilla.org/security/advisories/mfsa2025-64/ | Vendor Advisory | |
| https://www.mozilla.org/security/advisories/mfsa2025-67/ | Vendor Advisory | |
| https://www.mozilla.org/security/advisories/mfsa2025-70/ | Vendor Advisory | |
| https://www.mozilla.org/security/advisories/mfsa2025-72/ | Vendor Advisory |
Change history (0)
No recorded changes yet.