{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/tags/mediainfo/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7.8,"id":"CVE-2026-28764"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["MediaInfoLib"],"_cs_severities":["high"],"_cs_tags":["cve","buffer-overflow","mediainfo","heap-overflow","cwe-823"],"_cs_type":"advisory","_cs_vendors":["MediaArea"],"content_html":"\u003cp\u003eA heap-based buffer overflow vulnerability, identified as CVE-2026-28764, has been discovered in MediaArea MediaInfoLib. This flaw resides in the parsing of LXF elements within the library. Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected system. The vulnerability was reported by Talos and assigned a CVSS v3.1 score of 7.8, indicating a high severity. The attack requires user interaction, as the victim needs to open a malicious media file. This vulnerability poses a significant risk to systems using MediaInfoLib to process media files from untrusted sources.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker crafts a malicious media file containing a specially crafted LXF element.\u003c/li\u003e\n\u003cli\u003eThe victim user opens the malicious media file using an application that utilizes MediaArea MediaInfoLib.\u003c/li\u003e\n\u003cli\u003eMediaInfoLib attempts to parse the LXF element within the media file.\u003c/li\u003e\n\u003cli\u003eDue to the crafted nature of the LXF element, the parsing process triggers a heap-based buffer overflow.\u003c/li\u003e\n\u003cli\u003eThe buffer overflow allows the attacker to overwrite adjacent memory regions on the heap.\u003c/li\u003e\n\u003cli\u003eThe attacker gains control of the program execution flow by overwriting critical data structures or function pointers.\u003c/li\u003e\n\u003cli\u003eThe attacker executes arbitrary code within the context of the application.\u003c/li\u003e\n\u003cli\u003eThe attacker achieves arbitrary code execution, potentially leading to system compromise.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-28764 can lead to arbitrary code execution on the affected system. This could allow an attacker to install malware, steal sensitive data, or take control of the system. The severity of the impact depends on the privileges of the user running the application that utilizes the vulnerable MediaInfoLib. Given the widespread use of MediaInfoLib in media processing applications, this vulnerability has the potential to affect a large number of users and systems.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade MediaInfoLib to the latest version containing the fix for CVE-2026-28764 to prevent exploitation.\u003c/li\u003e\n\u003cli\u003eImplement file validation and sanitization measures to detect and block malicious media files before they are processed by MediaInfoLib.\u003c/li\u003e\n\u003cli\u003eMonitor process execution for unusual or unexpected behavior, such as attempts to execute code from memory regions associated with MediaInfoLib, using process_creation rules.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rule \u003ccode\u003eDetect MediaInfoLib Heap Overflow Attempt\u003c/code\u003e to identify potential exploitation attempts based on suspicious process arguments.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-21T10:17:07Z","date_published":"2026-05-21T10:17:07Z","id":"https://feed.craftedsignal.io/briefs/2026-05-cve-2026-28764-mediainfolib-overflow/","summary":"A heap-based buffer overflow vulnerability exists in MediaArea MediaInfoLib's handling of LXF elements, potentially leading to arbitrary code execution when processing maliciously crafted media files; assigned CVE-2026-28764, CVSS 7.8.","title":"CVE-2026-28764: MediaArea MediaInfoLib LXF Element Parsing Heap-Based Buffer Overflow","url":"https://feed.craftedsignal.io/briefs/2026-05-cve-2026-28764-mediainfolib-overflow/"}],"language":"en","title":"CraftedSignal Threat Feed — Mediainfo","version":"https://jsonfeed.org/version/1.1"}