Magick.NET Q16 AnyCPU: ImageMagick: Heap Buffer Over-Read in XCF decoder due to integer conversion overflow (CVE-2026-53466)
An integer overflow in the XCF decoder can result in an out of bounds read when a crafted image is read and that can result in a crash.
AI Analysis
Technical Summary
An integer overflow vulnerability exists in the XCF decoder component of Magick.NET Q16 AnyCPU (CVE-2026-53466). This flaw causes a heap buffer over-read when processing specially crafted XCF images, resulting in out-of-bounds memory reads and application crashes. The vulnerability is due to improper integer conversion handling, classified under CWE-190 (Integer Overflow) and CWE-681 (Incorrect Conversion between Numeric Types). It affects all versions before 14.15.0. The CVSS 3.1 base score is 6.5, indicating a medium severity with network attack vector, low attack complexity, no privileges or user interaction required, and limited confidentiality and availability impact. A patch is available to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability can cause the affected application to crash due to heap buffer over-read triggered by processing a crafted XCF image. The impact includes limited confidentiality loss and availability disruption. There is no indication of integrity impact or known exploits in the wild at this time.
Mitigation Recommendations
A patch is available for this vulnerability. Users should upgrade Magick.NET Q16 AnyCPU to version 14.15.0 or later to remediate the integer overflow and prevent heap buffer over-read conditions. No additional mitigations are specified in the advisory.
Magick.NET Q16 AnyCPU: ImageMagick: Heap Buffer Over-Read in XCF decoder due to integer conversion overflow (CVE-2026-53466)
Description
An integer overflow in the XCF decoder can result in an out of bounds read when a crafted image is read and that can result in a crash.
CVSS v3.1
Score 6.5medium
Affected software
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
An integer overflow vulnerability exists in the XCF decoder component of Magick.NET Q16 AnyCPU (CVE-2026-53466). This flaw causes a heap buffer over-read when processing specially crafted XCF images, resulting in out-of-bounds memory reads and application crashes. The vulnerability is due to improper integer conversion handling, classified under CWE-190 (Integer Overflow) and CWE-681 (Incorrect Conversion between Numeric Types). It affects all versions before 14.15.0. The CVSS 3.1 base score is 6.5, indicating a medium severity with network attack vector, low attack complexity, no privileges or user interaction required, and limited confidentiality and availability impact. A patch is available to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability can cause the affected application to crash due to heap buffer over-read triggered by processing a crafted XCF image. The impact includes limited confidentiality loss and availability disruption. There is no indication of integrity impact or known exploits in the wild at this time.
Mitigation Recommendations
A patch is available for this vulnerability. Users should upgrade Magick.NET Q16 AnyCPU to version 14.15.0 or later to remediate the integer overflow and prevent heap buffer over-read conditions. No additional mitigations are specified in the advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-pjxj-pchx-4c3m
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-53466"]
- Ecosystems
- ["NuGet"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6a6d13adbf32cb7a3457fd4e
Added to database: 07/31/2026, 21:29:17 UTC
Last enriched: 07/31/2026, 21:34:46 UTC
Last updated: 09/14/2026, 10:01:31 UTC
Views: 73
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.