An attacker was able to perform an out-of-bounds read or write on a JavaScript object by fooling range-based bounds check elimination. This vulnerability affects Firefox < 124.0.1.
総合評価: CVE-2024-29943 は高リスク(68.3/100)。CVSS 深刻度は重大。悪用される可能性が高い(EPSS 22.93%、97 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。 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 | 53.86% | 22.93% | -30.92% |
| 2 | 2026-04-10 | 51.07% | 53.86% | +2.78% |
| 3 | 2026-03-04 | — | 51.07% | — |
EPSS の全履歴 (全 37 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 |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2024-29943: 1 source package rows (firefox); 99 state rows across 2 repos (3.22-community, edge-community); fixed 0, open 99. | https://security.alpinelinux.org/vuln/CVE-2024-29943 |
debian
|
not yet assigned | CVE-2024-29943 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-2024-29943 |
gentoo
|
high | CVE-2024-29943: 1 GLSA(s) (202407-22), 2 atom(s) (www-client/firefox, www-client/firefox-bin); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2024-29943 |
redhat
|
critical | — | https://access.redhat.com/security/cve/CVE-2024-29943 |
suse
|
high | CVE-2024-29943 severity important: SUSE including 16 source package names (MozillaFirefox, MozillaFirefox-124.0.1-1.1, …), 35 product×package rows across 9 product lines (SUSE Linux Enterprise Module for Package Hub 15 SP5, SUSE Linux Enterprise Module for Package Hub 15 SP6, … (9 product lines)): Known Not Affected 18, Fixed 9, Will Not Fix 8. | https://www.suse.com/security/cve/CVE-2024-29943/ |
ubuntu
|
medium | CVE-2024-29943 medium priority: Ubuntu including 8 source packages (firefox, mozjs102, …), 42 status rows across 6 suites (bionic, focal, jammy, mantic, noble, upstream): DNE 18, ignored 16, not-affected 5, needs-triage 2, released 1. | https://ubuntu.com/security/CVE-2024-29943 |
| URL | タグ |
|---|---|
| http://www.openwall.com/lists/oss-security/2024/03/23/1 | Mailing List Third Party Advisory |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1886849 | Issue Tracking |
| https://www.mozilla.org/security/advisories/mfsa2024-15/ | Vendor Advisory |