{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/tags/cve-2026-4756/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Android-ImageMagick7"],"_cs_severities":["high"],"_cs_tags":["cve-2026-4756","out-of-bounds write","android","imagemagick"],"_cs_type":"advisory","_cs_vendors":["MolotovCherry"],"content_html":"\u003cp\u003eCVE-2026-4756 is an out-of-bounds write vulnerability present in MolotovCherry's Android-ImageMagick7 library.  Specifically, versions prior to 7.1.2-11 are affected.  This vulnerability could allow a malicious actor to write data outside the intended memory buffer while processing image files.  Successful exploitation could potentially lead to arbitrary code execution on the affected Android device. Given the widespread use of Android devices, and the potential for exploitation via malicious image files, this is a significant vulnerability for defenders to be aware of and mitigate.  The vulnerability was reported by the Government Technology Agency of Singapore Cyber Security Group (GovTech CSG).\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eThe attacker crafts a specially crafted image file designed to trigger the out-of-bounds write in Android-ImageMagick7.\u003c/li\u003e\n\u003cli\u003eThe victim downloads or receives the malicious image file (e.g., via MMS, email, or a malicious website).\u003c/li\u003e\n\u003cli\u003eAn application on the Android device (e.g., an image viewer, a social media app, or even the operating system itself) uses the vulnerable Android-ImageMagick7 library to process the image.\u003c/li\u003e\n\u003cli\u003eDuring image processing, the vulnerability is triggered, leading to an out-of-bounds write to memory.\u003c/li\u003e\n\u003cli\u003eThe attacker overwrites critical data structures in memory, potentially including function pointers or other executable code.\u003c/li\u003e\n\u003cli\u003eThe attacker gains control of the program execution flow by manipulating the overwritten memory.\u003c/li\u003e\n\u003cli\u003eThe attacker injects and executes arbitrary code on the device.\u003c/li\u003e\n\u003cli\u003eThe attacker achieves persistence, exfiltrates sensitive data, or performs other malicious activities.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-4756 can lead to arbitrary code execution on the affected Android device. This could allow an attacker to gain full control of the device, steal sensitive data (e.g., contacts, photos, financial information), install malware, or use the device as part of a botnet. The impact is significant due to the widespread use of Android devices and the potential for exploitation via common communication channels like MMS and email.  A successful widespread attack could compromise a large number of devices.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade Android-ImageMagick7 to version 7.1.2-11 or later to patch CVE-2026-4756.\u003c/li\u003e\n\u003cli\u003eMonitor application logs for errors related to image processing with Android-ImageMagick7 that could indicate exploitation attempts (reference application logging).\u003c/li\u003e\n\u003cli\u003eImplement runtime protections such as address space layout randomization (ASLR) and data execution prevention (DEP) to make exploitation more difficult.\u003c/li\u003e\n\u003cli\u003eConsider using a mobile threat detection solution that can identify and block malicious image files.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2024-01-03T12:00:00Z","date_published":"2024-01-03T12:00:00Z","id":"https://feed.craftedsignal.io/briefs/2024-01-03-android-imagemagick-oob-write/","summary":"CVE-2026-4756 is an out-of-bounds write vulnerability in MolotovCherry Android-ImageMagick7 affecting Android-ImageMagick7 versions before 7.1.2-11, potentially leading to arbitrary code execution.","title":"Android-ImageMagick7 Out-of-Bounds Write Vulnerability (CVE-2026-4756)","url":"https://feed.craftedsignal.io/briefs/2024-01-03-android-imagemagick-oob-write/"}],"language":"en","title":"CraftedSignal Threat Feed - Cve-2026-4756","version":"https://jsonfeed.org/version/1.1"}