Magick.NET CVE-2026-42326
MEDIUM
Out-of-bounds Read (CWE-125)
GHSA-7wff-wpr6-vmhm
5.1
CVSS 3.1
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CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low
Lifecycle Timeline
2
Source Code Evidence Fetched
May 18, 2026 - 16:30 vuln.today
Analysis Generated
May 18, 2026 - 16:30 vuln.today
DescriptionNVD
When writing an IPTC output file a malicious input file could cause an out of bounds read of a single byte.
AnalysisAI
Out-of-bounds single-byte heap read in Magick.NET's IPTC encoder exposes all NuGet package variants (Q16, Q16-HDRI, multi-architecture builds) before version 14.13.1 to limited confidentiality and availability impact when processing a crafted input file. The flaw resides in the IPTC output writing pathway: supplying a malicious image file triggers a one-byte over-read of the heap buffer, classified as CWE-125. …
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External POC / Exploit Code
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