CVE-2026-43656_CVE-2026-43656

7.3 / 10

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Description

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Parsing a maliciously crafted file may lead to an unexpected app termination.

Basic Information

ID CVE-2026-43656

Source apple

Published May 11, 2026 at 20:08

Modified May 12, 2026 at 17:22

Affected Product

Vendor Apple

Product iOS and iPadOS

Affected Versions Apple iOS and iPadOS 0
Apple iOS and iPadOS 0
Apple macOS 0
Apple macOS 0
Apple macOS 0

CWE Classification

CWE-787

References

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    "lastseen": "",
    "description": "An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Parsing a maliciously crafted file may lead to an unexpected app termination.",
    "published": "2026-05-11T20:08:00.885Z",
    "modified": "2026-05-12T17:22:14.990Z",
    "type": "cve",
    "title": "CVE-2026-43656",
    "source": "apple",
    "references": "https://support.apple.com/en-us/127110\nhttps://support.apple.com/en-us/127111\nhttps://support.apple.com/en-us/127115\nhttps://support.apple.com/en-us/127116\nhttps://support.apple.com/en-us/127117",
    "id": "CVE-2026-43656",
    "bulletinFamily": "",
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    "cvelist": null,
    "sourceData": "Apple iOS and iPadOS 0\nApple iOS and iPadOS 0\nApple macOS 0\nApple macOS 0\nApple macOS 0",
    "sourceHref": "",
    "cvss": {
        "score": 7.3,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
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        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
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            "baseScore": 0,
            "baseSeverity": "",
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            "confidentialityImpact": "",
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        }
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    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "iOS and iPadOS",
    "version": "0",
    "vendor": "Apple",
    "ai_description": "",
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    "ai_score": 0
}