CVE-2025-43432

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{"bugzilla": {"description": "webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash", "id": "2416334", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2416334"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.1, visionOS 26.1, watchOS 26.1, iOS 26.1 and iPadOS 26.1, tvOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash."], "name": "CVE-2025-43432", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "webkitgtk", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "webkitgtk3", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "webkitgtk4", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "webkit2gtk3", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "webkit2gtk3", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-11-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-43432\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-43432\nhttps://webkitgtk.org/security/WSA-2025-0008.html"], "threat_severity": "Important"}

{"analysis": {"en": {"generated_at": "2026-04-22T21:45:06.312163+00:00", "value": {"mitigation_remediation": ["Update to Safari 26.1 or newer or to the corresponding iOS, iPadOS, macOS, tvOS, visionOS, or watchOS 26.1 release that contains the WebKit patch", "If an update is unavailable, disable or remove the affected WebKit component from the target device until a patch can be applied", "Configure network\u2013level or browser\u2011level content filtering to mitigate delivery of malicious web pages to users"], "summary": {"action": "Patch", "impact": "Application crash leading to denial of service"}, "threat_synthesis": {"affected_systems": "Apple Safari app, and the web\u2011browser framework embedded in iOS, iPadOS, macOS, tvOS, visionOS, and watchOS on all hardware that runs Safari and the WebKit engine. The flaw has been fixed in Safari 26.1, iOS 26.1, iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, and watchOS 26.1; any older release exposes the vulnerability.", "description_and_impact": "A use\u2011after\u2011free weakness in the WebKit rendering engine causes memory corruption when an attacker supplies specially crafted web content. The resulting fault can terminate the rendering process, delivering a denial\u2011of\u2011service impact. As the flaw is a memory management bug (CWE\u2011416), it does not enable code execution but can disrupt user experience by crashing the browser or related apps.", "risk_and_exploitability": "The common vulnerability scoring system rate the issue at 4.3, placing it in the medium severity range. Exploit probability is low, with an EPSS score of less than 1%. At present, the CVE is not in the CISA KEV catalog. The likely attack path involves an adversary serving malicious web pages that a user visits or an application that renders user\u2010controlled content, triggering the crash. No privileged context or escalation is required."}}}}, "created": "2025-11-04T16:34:35.042908+00:00", "updated": "2026-04-22T22:00:18.055199+00:00", "vendors": ["apple", "apple$PRODUCT$ios", "apple$PRODUCT$ipad_os", "apple$PRODUCT$safari", "apple$PRODUCT$tv_os", "apple$PRODUCT$visionos", "apple$PRODUCT$watch_os"]}