This issue was addressed through improved state management. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may disclose sensitive user information.
総合評価: CVE-2025-43227 は中リスク（52.3/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 1.17%、63 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 | 2026-06-29 | 1.10% | 1.17% | +0.07% |
| 2 | 2026-06-15 | 0.93% | 1.10% | +0.17% |
| 3 | 2026-05-25 | — | 0.93% | — |
EPSS の全履歴 （全 7 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 |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2025-43227 not yet assigned priority: Debian including 2 source packages (webkit2gtk, wpewebkit), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 7, open 3. | https://security-tracker.debian.org/tracker/CVE-2025-43227 |
gentoo
|
high | CVE-2025-43227: 1 GLSA(s) (202511-02), 1 atom(s) (net-libs/webkit-gtk); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2025-43227 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2025-43227 |
suse
|
high | CVE-2025-43227 severity important: SUSE including 107 source package names (WebKitGTK-4.0-lang-2.48.5-150400.4.122.1, WebKitGTK-4.0-lang-2.48.5-150600.12.43.1, …), 402 product×package rows across 34 product lines (SUSE Enterprise Storage 7.1, SUSE Liberty Linux 8, … (34 product lines)): Fixed 375, Known Not Affected 27. | https://www.suse.com/security/cve/CVE-2025-43227/ |
ubuntu
|
medium | CVE-2025-43227 medium priority: Ubuntu including 5 source packages (qtwebkit-opensource-src, qtwebkit-source, webkit2gtk, webkitgtk, wpewebkit), 31 status rows across 7 suites (bionic, focal, jammy, noble, plucky, upstream, xenial): ignored 14, DNE 9, needs-triage 4, released 4. | https://ubuntu.com/security/CVE-2025-43227 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| apple | safari | < 18.6 | cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* |
| apple | ipados | < 18.6 | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
| apple | iphone_os | < 18.6 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | macos | < 15.6 | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| apple | tvos | < 18.6 | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* |
| apple | visionos | < 2.6 | cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* |
| apple | watchos | < 11.6 | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://support.apple.com/en-us/124147 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/124149 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/124152 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/124153 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/124154 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/124155 | Release Notes Vendor Advisory |
| http://seclists.org/fulldisclosure/2025/Aug/0 | |
| http://seclists.org/fulldisclosure/2025/Jul/30 | |
| http://seclists.org/fulldisclosure/2025/Jul/32 | |
| http://seclists.org/fulldisclosure/2025/Jul/35 | |
| http://seclists.org/fulldisclosure/2025/Jul/36 | |
| http://www.openwall.com/lists/oss-security/2025/08/02/1 | |
| https://lists.debian.org/debian-lts-announce/2025/08/msg00015.html |