Memory safety bugs present in Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 142, Firefox ESR 140.2, Thunderbird 142, and Thunderbird 140.2.
総合評価: CVE-2025-9184 は中リスク(41.8/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 0.34%、26 パーセンタイル) 推奨対応: 影響資産を整理し、修補計画に組み込んでください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置(高いほど相対的に深刻)を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ(新 − 旧) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.06% | 0.34% | +0.28% |
| 2 | 2026-01-27 | 0.05% | 0.06% | +0.02% |
| 3 | 2026-01-15 | — | 0.05% | — |
EPSS の全履歴 (全 5 件)
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 8.1 | 3.1 | HIGH |
|
2.2 | 5.9 | [email protected] |
| 8.1 | 3.1 | HIGH |
|
2.2 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2025-9184: 3 source package rows (firefox, firefox-esr, thunderbird); 382 state rows across 2 repos (3.22-community, edge-community); fixed 0, open 382. | https://security.alpinelinux.org/vuln/CVE-2025-9184 |
debian
|
not yet assigned | CVE-2025-9184 not yet assigned priority: Debian including 1 source packages (firefox), 1 status rows across 1 suites (sid): resolved 1. | https://security-tracker.debian.org/tracker/CVE-2025-9184 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2025-9184 |
suse
|
high | CVE-2025-9184 severity important: SUSE including 28 source package names (MozillaFirefox-140.2.0-112.276.1, MozillaFirefox-140.2.0-150200.152.198.1, …), 126 product×package rows across 42 product lines (Image SLES12-SP5-SAP-Azure-LI-BYOS-Production, Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production, … (42 product lines)): Fixed 126. | https://www.suse.com/security/cve/CVE-2025-9184/ |
ubuntu
|
medium | CVE-2025-9184 medium priority: Ubuntu including 9 source packages (firefox, mozjs102, …), 49 status rows across 7 suites (bionic, focal, jammy, noble, plucky, questing, upstream): DNE 22, needs-triage 10, ignored 9, not-affected 7, released 1. | https://ubuntu.com/security/CVE-2025-9184 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| mozilla | firefox | < 140.2.0 | cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* |
| mozilla | firefox | < 142.0 | cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* |
| mozilla | thunderbird | < 140.2.0 | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:* |
| mozilla | thunderbird | < 142.0 | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:* |
| URL | タグ |
|---|---|
| https://bugzilla.mozilla.org/buglist.cgi?bug_id=1929482%2C1976376%2C1979163%2C1979955 | Broken Link |
| 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 |