{"id":49008,"date":"2025-06-05T07:23:25","date_gmt":"2025-06-05T07:23:25","guid":{"rendered":""},"modified":"2025-10-15T01:47:10","modified_gmt":"2025-10-15T07:47:10","slug":"cve-2025-31263-critical-memory-handling-vulnerability-could-lead-to-system-compromise-or-data-leakage-in-macos-sequoia-15-4","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-31263-critical-memory-handling-vulnerability-could-lead-to-system-compromise-or-data-leakage-in-macos-sequoia-15-4\/","title":{"rendered":"<strong>CVE-2025-31263: Critical Memory Handling Vulnerability Could Lead to System Compromise or Data Leakage in macOS Sequoia 15.4<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A severe security vulnerability, designated as CVE-2025-31263, has been identified in macOS Sequoia 15.4. This high-risk issue stems from inadequate memory handling procedures, which could potentially enable an app to compromise the coprocessor memory. This flaw not only exposes users to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-41651-critical-system-compromise-due-to-missing-authentication\/\"  data-wpil-monitor-id=\"55894\">system compromise<\/a> but also paves the way for possible data leakage, posing serious risks to confidentiality, integrity, and availability of data. Given the ubiquity of Apple&#8217;s macOS and the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-44891-critical-stack-overflow-vulnerability-in-fw-wgs-804hpt\/\"  data-wpil-monitor-id=\"54870\">criticality of the vulnerability<\/a>, it&#8217;s crucial for users and administrators to understand the implications and take immediate steps to mitigate the risks.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-31263<br \/>\nSeverity: Critical (CVSS: 9.1)<br \/>\nAttack Vector: Application<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: System compromise and potential <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48383-django-select2-vulnerability-risking-data-leakage-and-unauthorized-access\/\"  data-wpil-monitor-id=\"56078\">data leakage<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-4176417240\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31259-vulnerability-in-macos-sequoia-allowing-for-potential-privilege-escalation\/\"  data-wpil-monitor-id=\"59708\">macOS Sequoia<\/a> | 15.4<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-42977-path-handling-vulnerability-that-risks-data-leakage-and-system-compromise\/\"  data-wpil-monitor-id=\"56913\">vulnerability revolves around faulty memory handling<\/a> within macOS Sequoia 15.4. An application can exploit this flaw to corrupt the coprocessor memory, potentially allowing it to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48828-arbitrary-php-code-execution-in-vbulletin-via-template-conditionals\/\"  data-wpil-monitor-id=\"55734\">execute arbitrary code<\/a>, compromise the system, or cause data leakage. The specifics of the exploit depend on the application and the processes it interacts with. However, any app that can interact with the coprocessor <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-45565-memory-corruption-vulnerability-leading-to-potential-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"58027\">memory could potentially<\/a> be the attack vector.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4141893970\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>Here&#8217;s a conceptual example of how an attacker might <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45997-exploiting-file-upload-vulnerability-in-web-based-pharmacy-product-management-system\/\"  data-wpil-monitor-id=\"56914\">exploit this vulnerability<\/a> using a malicious payload via an application:<\/p>\n<pre><code class=\"\" data-line=\"\">$ echo &quot;malicious_payload&quot; | \/usr\/bin\/app_vulnerable_command<\/code><\/pre>\n<p>In this conceptual example, &#8220;malicious_payload&#8221; is <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4688-critical-sql-injection-vulnerability-in-bgs-interactive-sinav-link-exam-result-module\/\"  data-wpil-monitor-id=\"89953\">injected into the &#8220;app_vulnerable_command&#8221; that interacts<\/a> with the coprocessor memory. If successful, the attacker could corrupt the coprocessor memory, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32309-potential-system-compromise-due-to-remote-file-inclusion-in-php-program\/\"  data-wpil-monitor-id=\"56234\">potentially leading to unwarranted system<\/a> access and data leakage.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>As a solution to this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-42598-critical-security-vulnerability-in-seiko-epson-printer-drivers-for-windows-os\/\"  data-wpil-monitor-id=\"57575\">critical security<\/a> issue, Apple has released a vendor patch which introduces improved memory handling procedures. It is strongly recommended that all users and administrators promptly update their <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43253-arbitrary-binary-launch-vulnerability-in-macos-sequoia-and-sonoma\/\"  data-wpil-monitor-id=\"69498\">macOS Sequoia<\/a> to the latest version. Temporary mitigation could also include the use of a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to monitor and block <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5100-a-double-free-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"56592\">potential attack patterns related to this vulnerability<\/a>. However, these are interim solutions and the permanent fix is to apply the vendor-supplied patch.<br \/>\nIn conclusion, the CVE-2025-31263 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-44896-critical-stack-overflow-vulnerability-in-fw-wgs-804hpt\/\"  data-wpil-monitor-id=\"54871\">vulnerability is a critical<\/a> security flaw that requires immediate attention. By understanding the nature of the vulnerability and taking swift action to mitigate it, users and administrators can ensure the security of their <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-47668-linux-kernel-vulnerability-leading-to-potential-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"57505\">systems and data<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A severe security vulnerability, designated as CVE-2025-31263, has been identified in macOS Sequoia 15.4. This high-risk issue stems from inadequate memory handling procedures, which could potentially enable an app to compromise the coprocessor memory. This flaw not only exposes users to system compromise but also paves the way for possible data leakage, posing serious [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[77],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-49008","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-apple"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/49008","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=49008"}],"version-history":[{"count":14,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/49008\/revisions"}],"predecessor-version":[{"id":82825,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/49008\/revisions\/82825"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=49008"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=49008"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=49008"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=49008"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=49008"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=49008"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=49008"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=49008"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=49008"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}