CVE-2025-9182
published 2025-08-19CVE-2025-9182: 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…
PriorityP337high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.35%
27.4th percentile
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
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 142.0-1 (sid) | firefox 142.0-1 (sid) |
| mozilla | firefox | < 140.2.0 | 140.2.0 |
| mozilla | firefox | < 142.0 | 142.0 |
| mozilla | firefox | — | — |
| mozilla | thunderbird | < 140.2.0 | 140.2.0 |
| mozilla | thunderbird | < 142.0 | 142.0 |
| mozilla | thunderbird | >= 0 < 1:140.7.1+build1-0ubuntu0.22.04.1 | 1:140.7.1+build1-0ubuntu0.22.04.1 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
osv7.5HIGH
vendor_debian7.5HIGH
vendor_redhat7.5HIGH
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Ubuntu
Thunderbird vulnerabilities
vendor_ubuntu·2026-02-02
CVE-2025-8031 Thunderbird vulnerabilities
Title: Thunderbird vulnerabilities
Summary: Several security issues were fixed in Thunderbird.
Multiple security issues were discovered in Thunderbird. If a user were
tricked into opening a specially crafted website in a browsing context,
an attacker could potentially exploit these to cause a denial of service,
obtain sensitive information, bypass security restrictions, cross-site
tracing, or execute arbitrary code.
Instructions: In general, a standard system update will make all the necessary changes.
Red Hat
firefox: thunderbird: Denial-of-service due to out-of-memory in the Graphics: WebRender component
vendor_redhat·2025-08-19·CVSS 7.5
CVE-2025-9182 [HIGH] CWE-400 firefox: thunderbird: Denial-of-service due to out-of-memory in the Graphics: WebRender component
firefox: thunderbird: Denial-of-service due to out-of-memory in the Graphics: WebRender component
Denial-of-service due to out-of-memory in the Graphics: WebRender component. This vulnerability affects Firefox < 142, Firefox ESR < 140.2, Thunderbird < 142, and Thunderbird < 140.2.
A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Denial-of-service due to out-of-memory in the Graphics: WebRender component.
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
Package: rhel10/firefox-flatpak (Red Hat Enterprise Linux 10) - Not affected
Package: rhel10/thunderbird-flatpak (Red Hat Enterprise Linux 10) - Not affected
Package: firefox (Red Hat Enter
Debian
CVE-2025-9182: firefox - Denial-of-service due to out-of-memory in the Graphics: WebRender component. Thi...
vendor_debian·2025·CVSS 7.5
CVE-2025-9182 [HIGH] CVE-2025-9182: firefox - Denial-of-service due to out-of-memory in the Graphics: WebRender component. Thi...
Denial-of-service due to out-of-memory in the Graphics: WebRender component. This vulnerability affects Firefox < 142, Firefox ESR < 140.2, Thunderbird < 142, and Thunderbird < 140.2.
Scope: local
sid: resolved (fixed in 142.0-1)
Mozilla
Mozilla Foundation Security Advisory 2025-72: CVE-2025-9182
vendor_mozilla·CVSS 7.5
CVE-2025-9182 [HIGH] Mozilla Foundation Security Advisory 2025-72: CVE-2025-9182
Mozilla Foundation Security Advisory 2025-72
CVE: CVE-2025-9182
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 140.2
Mozilla
Mozilla Foundation Security Advisory 2025-64: CVE-2025-9182
vendor_mozilla·CVSS 7.5
CVE-2025-9182 [HIGH] Mozilla Foundation Security Advisory 2025-64: CVE-2025-9182
Mozilla Foundation Security Advisory 2025-64
CVE: CVE-2025-9182
Product: Firefox
Impact: high
Fixed in: Firefox 142
Mozilla
Mozilla Foundation Security Advisory 2025-70: CVE-2025-9182
vendor_mozilla·CVSS 7.5
CVE-2025-9182 [HIGH] Mozilla Foundation Security Advisory 2025-70: CVE-2025-9182
Mozilla Foundation Security Advisory 2025-70
CVE: CVE-2025-9182
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 142
Mozilla
Mozilla Foundation Security Advisory 2025-67: CVE-2025-9182
vendor_mozilla·CVSS 7.5
CVE-2025-9182 [HIGH] Mozilla Foundation Security Advisory 2025-67: CVE-2025-9182
Mozilla Foundation Security Advisory 2025-67
CVE: CVE-2025-9182
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 140.2
OSV
CVE-2025-9182: Denial-of-service due to out-of-memory in the Graphics: WebRender component
osv·2025-08-19·CVSS 7.5
CVE-2025-9182 [HIGH] CVE-2025-9182: Denial-of-service due to out-of-memory in the Graphics: WebRender component
Denial-of-service due to out-of-memory in the Graphics: WebRender component. This vulnerability affects Firefox < 142, Firefox ESR < 140.2, Thunderbird < 142, and Thunderbird < 140.2.
GHSA
GHSA-mv5m-p837-6xm9: 'Denial-of-service due to out-of-memory in the Graphics: WebRender component
ghsa_unreviewed·2025-08-19
CVE-2025-9182 [HIGH] CWE-400 GHSA-mv5m-p837-6xm9: 'Denial-of-service due to out-of-memory in the Graphics: WebRender component
'Denial-of-service due to out-of-memory in the Graphics: WebRender component.' This vulnerability affects Firefox < 142, Firefox ESR < 140.2, Thunderbird < 142, and Thunderbird < 140.2.
No detection rules found.
No public exploits indexed.
2025-08-19
Published