{"id":"CVE-2025-43300","aliases":["EUVD-2025-25409","GHSA-cpwx-wfp4-x368"],"status":"published","title":"An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in...","description":"An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and iPadOS 16.7.12, iOS 18.6.2 and iPadOS 18.6.2, iPadOS 17.7.10, macOS Sequoia 15.6.1, macOS Sonoma 14.7.8, macOS Ventura 13.7.8. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.65159,"percentile":0.9926,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-787"],"published":"2025-08-21T00:27:21Z","modified":"2026-06-17T09:23:42Z","kev":{"date_added":"2025-08-21","due_date":"2025-09-11","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2025-08-21"},{"source":"kev","since":"2025-08-21"}],"exploits":[{"source":"pocgithub","id":"hunters-sec/CVE-2025-43300","title":"hunters-sec/CVE-2025-43300","date":"2025-08-24","url":"https://github.com/hunters-sec/CVE-2025-43300"},{"source":"pocgithub","id":"PwnToday/CVE-2025-43300","title":"PwnToday/CVE-2025-43300","date":"2025-09-09","url":"https://github.com/PwnToday/CVE-2025-43300"},{"source":"pocgithub","id":"veniversum/cve-2025-43300","title":"veniversum/cve-2025-43300","date":"2025-09-18","url":"https://github.com/veniversum/cve-2025-43300"},{"source":"pocgithub","id":"Dark-life944/CVE-2025","title":"Dark-life944/CVE-2025","date":"2025-09-30","url":"https://github.com/Dark-life944/CVE-2025"},{"source":"pocgithub","id":"ticofookfook/CVE-2025-43300","title":"ticofookfook/CVE-2025-43300","date":"2025-09-30","url":"https://github.com/ticofookfook/CVE-2025-43300"}],"products":[{"vendor":"apple","product":"ios and ipados"},{"vendor":"apple","product":"ios, ipados, and macos"},{"vendor":"apple","product":"ipados"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/124925","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/124926","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/124927","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/124928","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/124929","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/125141","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/125142","tags":["Release Notes","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43300","tags":["government-resource","US Government Resource"]},{"url":"https://github.com/cisagov/vulnrichment/issues/201","tags":["issue-tracking","Issue Tracking"]},{"url":"https://github.com/b1n4r1b01/n-days/blob/main/CVE-2025-43300.md","tags":["Exploit","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2025/Sep/52","tags":["Mailing List","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2025/Sep/14","tags":["Mailing List","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2025/Sep/10","tags":["Mailing List","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-43300"},{"url":"https://github.com/advisories/GHSA-cpwx-wfp4-x368"}],"sources":{"cve":[{"id":"CVE-2025-43300","description":"An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and iPadOS 16.7.12, iOS 18.6.2 and iPadOS 18.6.2, iPadOS 17.7.10, macOS Sequoia 15.6.1, macOS Sonoma 14.7.8, macOS Ventura 13.7.8. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.","status":"published","published":"2025-08-21T00:27:21.442Z","modified":"2026-04-02T18:17:25.587Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:32:26.964524Z"}],"euvd":[{"id":"EUVD-2025-25409","description":"An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and iPadOS 16.7.12, iOS 18.6.2 and iPadOS 18.6.2, iPadOS 17.7.10, macOS Sequoia 15.6.1, macOS Sonoma 14.7.8, macOS Ventura 13.7.8. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.","status":"published","published":"2025-08-21T00:27:21Z","modified":"2026-04-02T18:17:25Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"exploited_since":"2025-08-21","updated_at":"2026-11-02T19:25:19.933262Z"}],"ghsa":[{"id":"GHSA-cpwx-wfp4-x368","title":"An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in...","description":"An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sonoma 14.7.8, macOS Ventura 13.7.8, iPadOS 17.7.10, macOS Sequoia 15.6.1, iOS 18.6.2 and iPadOS 18.6.2. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.","status":"published","published":"2025-08-21T03:30:25Z","modified":"2025-11-26T15:35:16Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:04:58.071945Z"}],"kev":[{"id":"CVE-2025-43300","title":"Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability","description":"Apple iOS, iPadOS, and macOS contain an out-of-bounds write vulnerability in the Image I/O framework.","cwes":["CWE-787"],"kev":{"date_added":"2025-08-21","due_date":"2025-09-11","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:15.999436Z"}],"nvd":[{"id":"CVE-2025-43300","description":"An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and iPadOS 16.7.12, iOS 18.6.2 and iPadOS 18.6.2, iPadOS 17.7.10, macOS Sequoia 15.6.1, macOS Sonoma 14.7.8, macOS Ventura 13.7.8. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.","status":"published","published":"2025-08-21T01:15:36.243Z","modified":"2026-06-17T09:23:42.063Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:11:25.261243Z"}]}}