Samsung libimagecodec.quram.so Out-of-Bounds Write RCE
CVE-2025-21042 is an out-of-bounds write vulnerability in Samsung's image-processing library libimagecodec.quram.so, used on Samsung Galaxy devices. The flaw is triggered during parsing of crafted TIFF/DNG image content and can lead to memory corruption and arbitrary code execution. Reporting in the provided content indicates the bug was exploited as a zero-day to deliver the LANDFALL Android spyware family, with malformed DNG images carrying an appended ZIP archive used to extract and load malicious shared objects after exploitation. Samsung patched the issue in its April 2025 security release.
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Impact, mitigation & remediation
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Impact
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Mitigation
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Remediation
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Exploits
No valid public exploits. Mallory filtered out 2 candidates as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Affected products & vendors
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
126 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Samsung TIFF/DNG parsing vulnerability exploited via weaponized image files delivering embedded ELF payloads targeting Android devices; attributed in the report to a private sector offensive actor cluster (also referenced as LANDFALL by other research).
A Samsung image parsing vulnerability (TIFF/DNG) exploited via weaponized image files carrying embedded ELF payloads targeting Android devices; activity assessed as PSOA-linked and also reported as LANDFALL.
A remote code execution vulnerability in Samsung's Quram image library, exploited via malicious DNG files to deliver LANDFALL spyware.
A zero-day vulnerability in Samsung Galaxy Android devices' Quram image parsing library, exploited for remote code execution via malicious DNG image files.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.