Memory safety bugs present in Firefox 113, Firefox ESR 102.11, and Thunderbird 102.12. 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 affects Firefox ESR < 102.12, Firefox < 114, and Thunderbird < 102.12.
総合評価: CVE-2023-34416 は中リスク（59.4/100）。CVSS 深刻度は重大。悪用される可能性が高い（EPSS 0.93%、56 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 | 0.26% | 0.93% | +0.67% |
| 2 | 2026-01-15 | 0.24% | 0.26% | +0.02% |
| 3 | 2025-11-21 | — | 0.24% | — |
EPSS の全履歴 （全 17 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 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2023-34416: 3 source package rows (firefox, firefox-esr, thunderbird); 126 state rows across 6 repos (3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 8, open 118. | https://security.alpinelinux.org/vuln/CVE-2023-34416 |
debian
|
not yet assigned | CVE-2023-34416 not yet assigned 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-2023-34416 |
gentoo
|
high | CVE-2023-34416: 2 GLSA(s) (202312-03, 202401-10), 4 atom(s) (mail-client/thunderbird, mail-client/thunderbird-bin, www-client/firefox, www-client/firefox-bin); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2023-34416 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2023-34416 |
suse
|
high | CVE-2023-34416 severity important: SUSE including 42 source package names (MozillaFirefox, MozillaFirefox-102.12.0-112.162.1, …), 200 product×package rows across 67 product lines (Container suse/kiosk/firefox-esr, Image SLES12-SP5-SAP-Azure-LI-BYOS-Production, … (67 product lines)): Fixed 197, Known Not Affected 3. | https://www.suse.com/security/cve/CVE-2023-34416/ |
ubuntu
|
medium | CVE-2023-34416 medium priority: Ubuntu including 8 source packages (firefox, mozjs102, …), 80 status rows across 10 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, trusty, upstream, xenial): DNE 41, ignored 19, not-affected 9, released 9, needs-triage 2. | https://ubuntu.com/security/CVE-2023-34416 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| mozilla | firefox | < 114.0 | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
| mozilla | firefox_esr | < 102.12 | cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* |
| mozilla | thunderbird | < 102.12 | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |