{"id":73341,"date":"2025-09-09T00:21:45","date_gmt":"2025-09-09T00:21:45","guid":{"rendered":""},"modified":"2025-09-16T05:02:02","modified_gmt":"2025-09-16T11:02:02","slug":"cve-2025-49532-integer-underflow-vulnerability-in-illustrator-leading-to-arbitrary-code-execution","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-49532-integer-underflow-vulnerability-in-illustrator-leading-to-arbitrary-code-execution\/","title":{"rendered":"<strong>CVE-2025-49532: Integer Underflow Vulnerability in Illustrator Leading to Arbitrary Code Execution<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-49532 is a critical vulnerability found in several versions of Illustrator that could potentially compromise the entire system and result in data leakage. The vulnerability stems from an Integer Underflow (Wrap or Wraparound) issue, which could be exploited to execute arbitrary code in the context of the current user. Given the widespread use of Illustrator across multiple platforms and industries, this vulnerability poses a serious threat to users, particularly if an attacker uses it to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48860-exploiting-backup-archives-to-gain-remote-access-in-ctrlx-os\/\"  data-wpil-monitor-id=\"81425\">gain unauthorized access<\/a> or control over sensitive information.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-49532<br \/>\nSeverity: High (CVSS: 7.8)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2022-45134-critical-vulnerability-in-mahara-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"82901\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-580065792\" 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: 720px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 22px; font-weight: 600; display: flex; align-items: center; letter-spacing: -0.02em;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 10px;\">\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: 42px; height: 42px;\" \/>\r\n    <\/a>\r\n    Share secrets securely\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 14px; color: #d1d5db;\">\r\n    Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 18px; color: #a1a1aa;\">\r\n    Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 24px; color: #e4e4e7;\">\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Encrypted identity<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Private Spaces for organizations and teams<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 End-to-end encrypted chat, calls, files, and notes<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Sensitive AI work and protected collaboration<\/li>\r\n    <li>\u2022 Built for information that cannot leak<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px; color: #ffffff;\">\r\n    Our mission is to secure human work alongside AI.\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: 8px; font-weight: 500;\">\r\n      Download Ameeba\r\n    <\/a>\r\n\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Learn More\r\n    <\/a>\r\n  <\/div>\r\n<\/div><\/div>\n<p>Product | Affected Versions<\/p>\n<p>Illustrator | 28.7.6, 29.5.1 and earlier<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8730-critical-vulnerability-in-belkin-routers-due-to-hard-coded-credentials\/\"  data-wpil-monitor-id=\"81076\">vulnerability occurs due<\/a> to an Integer Underflow within Illustrator. An <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53213-unrestricted-upload-of-file-with-dangerous-type-vulnerability-in-woocommerce-multi-carrier-conditional-shipping-plugin\/\"  data-wpil-monitor-id=\"81756\">Integer<\/a> Underflow is a condition that can occur in an application when an integer value is decreased below the minimum value that the integer type can store or represent. In this case, the underflow can lead to a buffer overflow condition, which can be manipulated by an attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54382-remote-code-execution-vulnerability-in-cherry-studio\/\"  data-wpil-monitor-id=\"80937\">execute arbitrary code<\/a> within the context of the current user.<br \/>\nTo exploit this vulnerability, an attacker needs to craft a malicious file and persuade the victim to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54485-buffer-overflow-vulnerability-in-the-biosig-project-libbiosig-opens-door-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"83376\">open this file using the vulnerable<\/a> Illustrator software. Upon opening the malicious file, the Integer Underflow vulnerability is triggered, allowing the attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8723-cloudflare-image-resizing-plugin-for-wordpress-remote-code-execution-vulnerability\/\"  data-wpil-monitor-id=\"80946\">execute arbitrary code<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2685557534\" 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>Given below is a simplified conceptual representation of how the vulnerability might be exploited. This is not actual code but a conceptual representation to understand the exploitation process.<\/p>\n<pre><code class=\"\" data-line=\"\">def integer_underflow(file):\nbuffer = bytearray()\nwith open(file, &#039;rb&#039;) as f:\nbuffer.extend(f.read())\n# underflow occurs here\nbuffer_size = len(buffer) - 65536\n# buffer overflow leading to arbitrary code execution\noverflow = bytearray(buffer_size)\noverflow.extend(buffer)\nexecute(overflow)<\/code><\/pre>\n<p>In the above example, an underflow occurs when trying to subtract a large value (65536) from the size of the buffer, which results in a negative value. This negative value is used to create a new <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9245-high-risk-buffer-overflow-vulnerability-in-linksys-extenders\/\"  data-wpil-monitor-id=\"81052\">buffer (overflow<\/a>), which leads to a buffer overflow condition. This condition can be exploited to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54948-pre-authenticated-remote-code-execution-vulnerability-in-trend-micro-apex-one\/\"  data-wpil-monitor-id=\"81127\">execute arbitrary code<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-49532 is a critical vulnerability found in several versions of Illustrator that could potentially compromise the entire system and result in data leakage. The vulnerability stems from an Integer Underflow (Wrap or Wraparound) issue, which could be exploited to execute arbitrary code in the context of the current user. Given the widespread use of [&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":[],"product":[],"attack_vector":[86,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-73341","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/73341","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=73341"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/73341\/revisions"}],"predecessor-version":[{"id":75919,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/73341\/revisions\/75919"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=73341"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=73341"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=73341"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=73341"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=73341"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=73341"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=73341"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=73341"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=73341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}