The ASN.1 decoder in the QuickDER decoder in Mozilla Network Security Services (NSS) before 3.13.4, as used in Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.5, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0.5, and SeaMonkey before 2.10, allows remote attackers to cause a denial of service (application crash) via a zero-length item, as demonstrated by (1) a zero-length basic constraint or (2) a zero-length field in an OCSP response.
総合評価: CVE-2012-0441 は中リスク（49.2/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 2.94%、85 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 | 3.58% | 2.94% | -0.64% |
| 2 | 2026-01-09 | 3.79% | 3.58% | -0.20% |
| 3 | 2025-11-23 | — | 3.79% | — |
EPSS の全履歴 （全 9 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 |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2012-0441 not yet assigned priority: Debian including 1 source packages (nss), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2012-0441 |
gentoo
|
high | CVE-2012-0441: 1 GLSA(s) (201301-01), 14 atom(s) (dev-libs/nss, mail-client/mozilla-thunderbird, …); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-0441 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2012-0441 |
suse
|
medium | CVE-2012-0441 severity moderate: SUSE including 81 source package names (MozillaFirefox-10.0.5-0.3.6, MozillaFirefox-140.2.0-160000.1.2, …), 97 product×package rows across 30 product lines (SUSE Linux Enterprise Desktop 12, SUSE Linux Enterprise Desktop 12 SP1, … (30 product lines)): Fixed 97. | https://www.suse.com/security/cve/CVE-2012-0441/ |
ubuntu
|
medium | CVE-2012-0441 medium priority: Ubuntu including 6 source packages (firefox, nss, seamonkey, thunderbird, xulrunner-1.9.2, xulrunner-2.0), 54 status rows across 9 suites (hardy, lucid, natty, oneiric, precise, quantal, raring, saucy, upstream): released 21, DNE 16, ignored 10, not-affected 5, needs-triage 2. | https://ubuntu.com/security/CVE-2012-0441 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| mozilla | firefox | 4.0 | cpe:2.3:a:mozilla:firefox:4.0:*:*:*:*:*:*:* |
| mozilla | firefox | 4.0 | cpe:2.3:a:mozilla:firefox:4.0:beta1:*:*:*:*:*:* |
| mozilla | firefox | 4.0 | cpe:2.3:a:mozilla:firefox:4.0:beta10:*:*:*:*:*:* |
| mozilla | firefox | 4.0 | cpe:2.3:a:mozilla:firefox:4.0:beta11:*:*:*:*:*:* |
| mozilla | firefox | 4.0 | cpe:2.3:a:mozilla:firefox:4.0:beta12:*:*:*:*:*:* |
| mozilla | firefox | 4.0 | cpe:2.3:a:mozilla:firefox:4.0:beta2:*:*:*:*:*:* |
| mozilla | firefox | 4.0 | cpe:2.3:a:mozilla:firefox:4.0:beta3:*:*:*:*:*:* |
| mozilla | firefox | 4.0 | cpe:2.3:a:mozilla:firefox:4.0:beta4:*:*:*:*:*:* |
| mozilla | firefox | 4.0 | cpe:2.3:a:mozilla:firefox:4.0:beta5:*:*:*:*:*:* |
| mozilla | firefox | 4.0 | cpe:2.3:a:mozilla:firefox:4.0:beta6:*:*:*:*:*:* |
| mozilla | firefox | 4.0 | cpe:2.3:a:mozilla:firefox:4.0:beta7:*:*:*:*:*:* |
| mozilla | firefox | 4.0 | cpe:2.3:a:mozilla:firefox:4.0:beta8:*:*:*:*:*:* |
| mozilla | firefox | 4.0 | cpe:2.3:a:mozilla:firefox:4.0:beta9:*:*:*:*:*:* |
| mozilla | firefox | 4.0.1 | cpe:2.3:a:mozilla:firefox:4.0.1:*:*:*:*:*:*:* |
| mozilla | firefox | 5.0 | cpe:2.3:a:mozilla:firefox:5.0:*:*:*:*:*:*:* |
| mozilla | firefox | 5.0.1 | cpe:2.3:a:mozilla:firefox:5.0.1:*:*:*:*:*:*:* |
| mozilla | firefox | 6.0 | cpe:2.3:a:mozilla:firefox:6.0:*:*:*:*:*:*:* |
| mozilla | firefox | 6.0.1 | cpe:2.3:a:mozilla:firefox:6.0.1:*:*:*:*:*:*:* |
| mozilla | firefox | 6.0.2 | cpe:2.3:a:mozilla:firefox:6.0.2:*:*:*:*:*:*:* |
| mozilla | firefox | 7.0 | cpe:2.3:a:mozilla:firefox:7.0:*:*:*:*:*:*:* |
| mozilla | firefox | 7.0.1 | cpe:2.3:a:mozilla:firefox:7.0.1:*:*:*:*:*:*:* |
| mozilla | firefox | 8.0 | cpe:2.3:a:mozilla:firefox:8.0:*:*:*:*:*:*:* |
| mozilla | firefox | 8.0.1 | cpe:2.3:a:mozilla:firefox:8.0.1:*:*:*:*:*:*:* |
| mozilla | firefox | 9.0 | cpe:2.3:a:mozilla:firefox:9.0:*:*:*:*:*:*:* |
| mozilla | firefox | 9.0.1 | cpe:2.3:a:mozilla:firefox:9.0.1:*:*:*:*:*:*:* |
| mozilla | firefox | 10.0 | cpe:2.3:a:mozilla:firefox:10.0:*:*:*:*:*:*:* |
| mozilla | firefox | 10.0.1 | cpe:2.3:a:mozilla:firefox:10.0.1:*:*:*:*:*:*:* |
| mozilla | firefox | 10.0.2 | cpe:2.3:a:mozilla:firefox:10.0.2:*:*:*:*:*:*:* |
| mozilla | firefox | 10.0.3 | cpe:2.3:a:mozilla:firefox:10.0.3:*:*:*:*:*:*:* |
| mozilla | firefox | 10.0.4 | cpe:2.3:a:mozilla:firefox:10.0.4:*:*:*:*:*:*:* |
| mozilla | firefox | 11.0 | cpe:2.3:a:mozilla:firefox:11.0:*:*:*:*:*:*:* |
| mozilla | firefox | 12.0 | cpe:2.3:a:mozilla:firefox:12.0:*:*:*:*:*:*:* |
| mozilla | firefox | 12.0 | cpe:2.3:a:mozilla:firefox:12.0:beta6:*:*:*:*:*:* |
| mozilla | network_security_services | <= 3.12.3 | cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.2 | cpe:2.3:a:mozilla:network_security_services:3.2:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.2.1 | cpe:2.3:a:mozilla:network_security_services:3.2.1:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.3 | cpe:2.3:a:mozilla:network_security_services:3.3:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.3.1 | cpe:2.3:a:mozilla:network_security_services:3.3.1:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.3.2 | cpe:2.3:a:mozilla:network_security_services:3.3.2:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.4 | cpe:2.3:a:mozilla:network_security_services:3.4:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.4.1 | cpe:2.3:a:mozilla:network_security_services:3.4.1:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.4.2 | cpe:2.3:a:mozilla:network_security_services:3.4.2:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.5 | cpe:2.3:a:mozilla:network_security_services:3.5:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.6 | cpe:2.3:a:mozilla:network_security_services:3.6:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.6.1 | cpe:2.3:a:mozilla:network_security_services:3.6.1:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.7 | cpe:2.3:a:mozilla:network_security_services:3.7:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.7.1 | cpe:2.3:a:mozilla:network_security_services:3.7.1:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.7.2 | cpe:2.3:a:mozilla:network_security_services:3.7.2:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.7.3 | cpe:2.3:a:mozilla:network_security_services:3.7.3:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.7.5 | cpe:2.3:a:mozilla:network_security_services:3.7.5:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.7.7 | cpe:2.3:a:mozilla:network_security_services:3.7.7:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.8 | cpe:2.3:a:mozilla:network_security_services:3.8:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.9 | cpe:2.3:a:mozilla:network_security_services:3.9:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.11.2 | cpe:2.3:a:mozilla:network_security_services:3.11.2:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.11.3 | cpe:2.3:a:mozilla:network_security_services:3.11.3:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.11.4 | cpe:2.3:a:mozilla:network_security_services:3.11.4:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.11.5 | cpe:2.3:a:mozilla:network_security_services:3.11.5:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.12 | cpe:2.3:a:mozilla:network_security_services:3.12:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.12.1 | cpe:2.3:a:mozilla:network_security_services:3.12.1:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.12.2 | cpe:2.3:a:mozilla:network_security_services:3.12.2:*:*:*:*:*:*:* |
| mozilla | seamonkey | <= 2.9 | cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* |
| mozilla | seamonkey | 1.0 | cpe:2.3:a:mozilla:seamonkey:1.0:*:*:*:*:*:*:* |
| mozilla | seamonkey | 1.0 | cpe:2.3:a:mozilla:seamonkey:1.0:alpha:*:*:*:*:*:* |
| mozilla | seamonkey | 1.0 | cpe:2.3:a:mozilla:seamonkey:1.0:beta:*:*:*:*:*:* |
| mozilla | seamonkey | 1.0.1 | cpe:2.3:a:mozilla:seamonkey:1.0.1:*:*:*:*:*:*:* |
| mozilla | seamonkey | 1.0.2 | cpe:2.3:a:mozilla:seamonkey:1.0.2:*:*:*:*:*:*:* |
| mozilla | seamonkey | 1.0.3 | cpe:2.3:a:mozilla:seamonkey:1.0.3:*:*:*:*:*:*:* |
| mozilla | seamonkey | 1.0.4 | cpe:2.3:a:mozilla:seamonkey:1.0.4:*:*:*:*:*:*:* |
| mozilla | seamonkey | 1.0.5 | cpe:2.3:a:mozilla:seamonkey:1.0.5:*:*:*:*:*:*:* |
| mozilla | seamonkey | 1.0.6 | cpe:2.3:a:mozilla:seamonkey:1.0.6:*:*:*:*:*:*:* |
| mozilla | seamonkey | 1.0.7 | cpe:2.3:a:mozilla:seamonkey:1.0.7:*:*:*:*:*:*:* |
| mozilla | seamonkey | 1.0.8 | cpe:2.3:a:mozilla:seamonkey:1.0.8:*:*:*:*:*:*:* |
| mozilla | seamonkey | 1.0.9 | cpe:2.3:a:mozilla:seamonkey:1.0.9:*:*:*:*:*:*:* |
| mozilla | seamonkey | 1.1 | cpe:2.3:a:mozilla:seamonkey:1.1:*:*:*:*:*:*:* |
| mozilla | seamonkey | 1.1 | cpe:2.3:a:mozilla:seamonkey:1.1:alpha:*:*:*:*:*:* |
| mozilla | seamonkey | 1.1 | cpe:2.3:a:mozilla:seamonkey:1.1:beta:*:*:*:*:*:* |
| mozilla | seamonkey | 1.1.1 | cpe:2.3:a:mozilla:seamonkey:1.1.1:*:*:*:*:*:*:* |
| mozilla | seamonkey | 1.1.2 | cpe:2.3:a:mozilla:seamonkey:1.1.2:*:*:*:*:*:*:* |
| mozilla | seamonkey | 1.1.3 | cpe:2.3:a:mozilla:seamonkey:1.1.3:*:*:*:*:*:*:* |
| mozilla | seamonkey | 1.1.4 | cpe:2.3:a:mozilla:seamonkey:1.1.4:*:*:*:*:*:*:* |