{"id":75985,"date":"2025-09-19T00:57:17","date_gmt":"2025-09-19T00:57:17","guid":{"rendered":""},"modified":"2025-10-01T12:50:38","modified_gmt":"2025-10-01T18:50:38","slug":"cve-2025-21042-a-critical-remote-code-execution-vulnerability-in-libimagecodec-quram-so","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-21042-a-critical-remote-code-execution-vulnerability-in-libimagecodec-quram-so\/","title":{"rendered":"<strong>CVE-2025-21042: A Critical Remote Code Execution Vulnerability in libimagecodec.quram.so<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-21042 is a severe cybersecurity vulnerability that poses a substantial risk to digital systems and data worldwide. It is found in the libimagecodec.quram.so software component, where an out-of-bounds write error could allow remote attackers to execute arbitrary code. In a world increasingly connected by the internet, such a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9791-critical-vulnerability-in-tenda-ac20-16-03-08-05-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"84960\">vulnerability has the potential<\/a> to impact a wide range of products and services that incorporate this component. This vulnerability is especially concerning because it can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9253-stack-based-buffer-overflow-on-linksys-wi-fi-range-extenders-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"84229\">potentially lead to system<\/a> compromise and data leakage, posing a significant threat to data privacy and integrity.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-21042<br \/>\nSeverity: Critical (CVSS: 8.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-0074-critical-remote-code-execution-vulnerability-in-sdp-discovery\/\"  data-wpil-monitor-id=\"83559\">Remote Code Execution<\/a>, Possible system compromise and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2649277452\" 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>libimagecodec.quram.so | Prior to SMR Apr-2025 Release 1<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability lies in an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43300-out-of-bounds-write-issue-in-macos-and-ios-resulting-in-memory-corruption\/\"  data-wpil-monitor-id=\"84413\">out-of-bounds write<\/a> error in the libimagecodec.quram.so component. In simple terms, an out-of-bounds write occurs when data is written past the end or before the beginning of an intended buffer, which can corrupt data, crash the program, or enable the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22403-remote-code-execution-vulnerability-in-sdp-discovery-cc\/\"  data-wpil-monitor-id=\"83886\">execution of malicious code<\/a>. In this case, a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22408-high-risk-remote-code-execution-vulnerability-in-rfc-utils\/\"  data-wpil-monitor-id=\"84010\">remote attacker could exploit this vulnerability<\/a> by sending specially crafted data to the affected system. The improper handling of this data by libimagecodec.quram.so could allow the attacker to execute arbitrary code on the system, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7775-critical-memory-overflow-vulnerability-in-netscaler-adc-and-gateway-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"83752\">potentially leading to a full system<\/a> compromise.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2745978302\" 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>Below is a conceptual example of a malicious HTTP <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8592-wordpress-inspiro-theme-vulnerability-to-cross-site-request-forgery-csrf\/\"  data-wpil-monitor-id=\"85424\">request that might exploit this vulnerability<\/a>. The actual exploit would depend on the specific use case and environment.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/exploit\/cve-2025-21042 HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/octet-stream\n{ &quot;overflow_data&quot;: &quot;AAAAAAAAAAAAAAAAAAAAAAAAAA...[more overflow data]&quot; }<\/code><\/pre>\n<p>In this example, the &#8220;overflow_data&#8221; is crafted to cause an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49530-out-of-bounds-write-vulnerability-in-adobe-illustrator\/\"  data-wpil-monitor-id=\"86207\">out-of-bounds write<\/a> in the libimagecodec.quram.so component. This could potentially overwrite critical data or code in memory, leading to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52353-arbitrary-code-execution-vulnerability-in-badaso-cms-2-9-11\/\"  data-wpil-monitor-id=\"83943\">arbitrary code execution<\/a>.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>The best way to mitigate this vulnerability is to apply the vendor&#8217;s patch for libimagecodec.quram.so as soon as possible. If immediate patching is not possible, temporary mitigation can be achieved by using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to detect and block <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1740-excessive-authentication-attempts-vulnerability-in-akinsoft-myrezzta\/\"  data-wpil-monitor-id=\"86747\">attempts to exploit this vulnerability<\/a>. However, these measures only provide temporary protection and do not remove the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27215-unauthorized-system-modification-vulnerability-in-unifi-display-cast-devices\/\"  data-wpil-monitor-id=\"84893\">vulnerability from the affected system<\/a>. Therefore, patching should be performed as soon as it is feasible.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-21042 is a severe cybersecurity vulnerability that poses a substantial risk to digital systems and data worldwide. It is found in the libimagecodec.quram.so software component, where an out-of-bounds write error could allow remote attackers to execute arbitrary code. In a world increasingly connected by the internet, such a vulnerability has the potential to impact [&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-75985","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\/75985","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=75985"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/75985\/revisions"}],"predecessor-version":[{"id":79587,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/75985\/revisions\/79587"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=75985"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=75985"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=75985"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=75985"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=75985"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=75985"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=75985"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=75985"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=75985"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}