Modification of specific WebGL shader attributes could trigger an out-of-bounds read, which, when chained with other vulnerabilities, could be used to escalate privileges. *This bug only affects Thunderbird for macOS. Other versions of Thunderbird are unaffected.*. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10.
総合評価: CVE-2025-4082 は低リスク(33.6/100)。CVSS 深刻度は中。悪用される可能性が高い(EPSS 0.36%、28 パーセンタイル) 推奨対応: 悪用情報と EPSS の推移を監視し、必要に応じて優先度を見直してください。
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 | 0.18% | 0.36% | +0.19% |
| 2 | 2026-06-07 | 0.34% | 0.18% | -0.16% |
| 3 | 2026-03-26 | — | 0.34% | — |
EPSS の全履歴 (全 10 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 |
|---|---|---|---|---|---|---|
| 5.9 | 3.1 | MEDIUM |
|
2.2 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2025-4082: 3 source package rows (firefox, firefox-esr, thunderbird); 353 state rows across 2 repos (3.22-community, edge-community); fixed 0, open 353. | https://security.alpinelinux.org/vuln/CVE-2025-4082 |
debian
|
unimportant | CVE-2025-4082 unimportant priority: Debian including 3 source packages (firefox, firefox-esr, thunderbird), 11 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 11. | https://security-tracker.debian.org/tracker/CVE-2025-4082 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2025-4082 |
suse
|
high | CVE-2025-4082 severity important: SUSE including 18 source package names (MozillaFirefox-128.10.0-150200.152.179.1, MozillaFirefox-138.0-1.1, …), 100 product×package rows across 36 product lines (Container suse/kiosk/firefox-esr, Image SLES15-SP3-SAP-Azure-LI-BYOS-Production, … (36 product lines)): Fixed 100. | https://www.suse.com/security/cve/CVE-2025-4082/ |
ubuntu
|
medium | CVE-2025-4082 medium priority: Ubuntu including 2 source packages (firefox, thunderbird), 12 status rows across 6 suites (focal, jammy, noble, oracular, plucky, upstream): not-affected 9, DNE 2, needs-triage 1. | https://ubuntu.com/security/CVE-2025-4082 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| mozilla | firefox | < 115.23 | cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* |
| mozilla | firefox | < 138.0 | cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* |
| mozilla | firefox | >= 128.0, < 128.10 | cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* |
| mozilla | thunderbird | < 128.10.0 | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:* |
| mozilla | thunderbird | < 138.0 | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:* |
| URL | タグ |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1937097 | Permissions Required |
| https://www.mozilla.org/security/advisories/mfsa2025-28/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-29/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-30/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-31/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-32/ | Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2025/05/msg00022.html |