Use-after-free vulnerability in the CERT_DestroyCertificate function in libnss3.so in Mozilla Network Security Services (NSS) 3.x, as used in Firefox before 31.0, Firefox ESR 24.x before 24.7, and Thunderbird before 24.7, allows remote attackers to execute arbitrary code via vectors that trigger certain improper removal of an NSSCertificate structure from a trust domain.
総合評価: CVE-2014-1544 は高リスク（75.2/100）。CVSS 深刻度は重大。悪用される可能性が高い（EPSS 6.11%、92 パーセンタイル） 根拠: EPSS 上、短期間での悪用可能性は高い水準です。 直近 1 日で EPSS が +2.86% 上昇。悪用への関心が高まっている可能性があります。 推奨対応: 悪用可能性が高いため、影響範囲の確認と修補の優先付けを推奨します。
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 | 3.25% | 6.11% | +2.86% |
| 2 | 2026-05-25 | 1.96% | 3.25% | +1.29% |
| 3 | 2026-03-27 | — | 1.96% | — |
EPSS の全履歴 （全 12 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 |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2014-1544 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-2014-1544 |
gentoo
|
normal | CVE-2014-1544: 1 GLSA(s) (201504-01), 7 atom(s) (dev-libs/nspr, mail-client/thunderbird, …); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-1544 |
redhat
|
critical | — | https://access.redhat.com/security/cve/CVE-2014-1544 |
suse
|
medium | CVE-2014-1544 severity moderate: SUSE including 94 source package names (MozillaFirefox-140.2.0-160000.1.2, MozillaFirefox-24.7.0esr-0.3.1, …), 154 product×package rows across 37 product lines (SUSE Linux Enterprise Desktop 11 SP3, SUSE Linux Enterprise Desktop 12, … (37 product lines)): Fixed 139, Known Not Affected 15. | https://www.suse.com/security/cve/CVE-2014-1544/ |
ubuntu
|
medium | CVE-2014-1544 medium priority: Ubuntu including 3 source packages (firefox, nss, thunderbird), 12 status rows across 4 suites (lucid, precise, trusty, upstream): released 10, ignored 2. | https://ubuntu.com/security/CVE-2014-1544 |
: <a href="http://cwe.mitre.org/data/definitions/416.html" target="_blank">CWE-416: Use After Free</a>
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| mozilla | firefox | <= 30.0 | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
| mozilla | firefox | 24.0 | cpe:2.3:a:mozilla:firefox:24.0:*:*:*:*:*:*:* |
| mozilla | firefox | 24.0.1 | cpe:2.3:a:mozilla:firefox:24.0.1:*:*:*:*:*:*:* |
| mozilla | firefox | 24.0.2 | cpe:2.3:a:mozilla:firefox:24.0.2:*:*:*:*:*:*:* |
| mozilla | firefox | 24.1.0 | cpe:2.3:a:mozilla:firefox:24.1.0:*:*:*:*:*:*:* |
| mozilla | firefox | 24.1.1 | cpe:2.3:a:mozilla:firefox:24.1.1:*:*:*:*:*:*:* |
| mozilla | firefox_esr | 24.2 | cpe:2.3:a:mozilla:firefox_esr:24.2:*:*:*:*:*:*:* |
| mozilla | firefox_esr | 24.3 | cpe:2.3:a:mozilla:firefox_esr:24.3:*:*:*:*:*:*:* |
| mozilla | firefox_esr | 24.4 | cpe:2.3:a:mozilla:firefox_esr:24.4:*:*:*:*:*:*:* |
| mozilla | firefox_esr | 24.5 | cpe:2.3:a:mozilla:firefox_esr:24.5:*:*:*:*:*:*:* |
| mozilla | firefox_esr | 24.6 | cpe:2.3:a:mozilla:firefox_esr:24.6:*:*:*:*:*:*:* |
| 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 | network_security_services | 3.12.3 | cpe:2.3:a:mozilla:network_security_services:3.12.3:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.12.3.1 | cpe:2.3:a:mozilla:network_security_services:3.12.3.1:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.12.3.2 | cpe:2.3:a:mozilla:network_security_services:3.12.3.2:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.12.4 | cpe:2.3:a:mozilla:network_security_services:3.12.4:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.12.5 | cpe:2.3:a:mozilla:network_security_services:3.12.5:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.12.6 | cpe:2.3:a:mozilla:network_security_services:3.12.6:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.12.7 | cpe:2.3:a:mozilla:network_security_services:3.12.7:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.12.8 | cpe:2.3:a:mozilla:network_security_services:3.12.8:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.12.9 | cpe:2.3:a:mozilla:network_security_services:3.12.9:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.12.10 | cpe:2.3:a:mozilla:network_security_services:3.12.10:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.12.11 | cpe:2.3:a:mozilla:network_security_services:3.12.11:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.14 | cpe:2.3:a:mozilla:network_security_services:3.14:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.14.1 | cpe:2.3:a:mozilla:network_security_services:3.14.1:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.14.2 | cpe:2.3:a:mozilla:network_security_services:3.14.2:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.14.3 | cpe:2.3:a:mozilla:network_security_services:3.14.3:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.14.4 | cpe:2.3:a:mozilla:network_security_services:3.14.4:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.14.5 | cpe:2.3:a:mozilla:network_security_services:3.14.5:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.15 | cpe:2.3:a:mozilla:network_security_services:3.15:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.15.1 | cpe:2.3:a:mozilla:network_security_services:3.15.1:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.15.2 | cpe:2.3:a:mozilla:network_security_services:3.15.2:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.15.3 | cpe:2.3:a:mozilla:network_security_services:3.15.3:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.15.3.1 | cpe:2.3:a:mozilla:network_security_services:3.15.3.1:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.15.4 | cpe:2.3:a:mozilla:network_security_services:3.15.4:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.15.5 | cpe:2.3:a:mozilla:network_security_services:3.15.5:*:*:*:*:*:*:* |
| mozilla | network_security_services | 3.16 | cpe:2.3:a:mozilla:network_security_services:3.16:*:*:*:*:*:*:* |
| mozilla | thunderbird | <= 24.6 | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |
| mozilla | thunderbird | 24.0 | cpe:2.3:a:mozilla:thunderbird:24.0:*:*:*:*:*:*:* |
| mozilla | thunderbird | 24.0.1 | cpe:2.3:a:mozilla:thunderbird:24.0.1:*:*:*:*:*:*:* |
| mozilla | thunderbird | 24.1 | cpe:2.3:a:mozilla:thunderbird:24.1:*:*:*:*:*:*:* |
| mozilla | thunderbird | 24.1.1 | cpe:2.3:a:mozilla:thunderbird:24.1.1:*:*:*:*:*:*:* |
| mozilla | thunderbird | 24.2 | cpe:2.3:a:mozilla:thunderbird:24.2:*:*:*:*:*:*:* |
| mozilla | thunderbird | 24.3 | cpe:2.3:a:mozilla:thunderbird:24.3:*:*:*:*:*:*:* |
| mozilla | thunderbird | 24.4 | cpe:2.3:a:mozilla:thunderbird:24.4:*:*:*:*:*:*:* |
| mozilla | thunderbird | 24.5 | cpe:2.3:a:mozilla:thunderbird:24.5:*:*:*:*:*:*:* |