CVSS VectorNVD
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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5DescriptionNVD
libexif through 0.6.25 has a flaw in decoding MakerNotes. If the exif_mnote_data_get_value function gets passed in a 0 size, the passed in-buffer would be overwritten due to an integer underflow.
AnalysisAI
Integer underflow in libexif 0.6.25 and earlier allows local attackers to overwrite memory via crafted MakerNote EXIF data in image files. The flaw occurs when exif_mnote_data_get_value receives a zero-size parameter, triggering a buffer overflow that can lead to arbitrary code execution or information disclosure. …
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RemediationAI
Within 24 hours: Identify all systems and applications using libexif 0.6.25 or earlier (check package managers and application dependencies). Within 7 days: Update libexif to version 0.6.26 or later and rebuild dependent applications; prioritize systems processing untrusted image inputs. …
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External POC / Exploit Code
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EUVD-2026-12345