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CVE-2026-21096 is a heap-based buffer overflow in the JPEG decoder of Samsung's libimagecodec.quram.so, affecting versions before Samsung Mobile Security Release September 2026 Release 1. Improper handling of JPEG image data can overflow heap memory during decoding, enabling remote arbitrary code execution.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Samsung Galaxy-specific heap-based buffer overflow in the DNG/JPG decoder of libimagecodec.quram.so that can permit remote arbitrary code execution. It affects Android 14, 15, 16, and 17.
A heap-based buffer-overflow vulnerability in the JPEG decoder within libimagecodec.quram.so that can allow remote arbitrary code execution in versions before SMR Sep-2026 Release 1.
A heap-based buffer overflow in the JPEG decoder component libimagecodec.quram.so in Samsung software before the September 2026 Security Maintenance Release 1. It can allow remote unauthenticated attackers to execute arbitrary code.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.