CVE-2026-39199: CWE-787 Out-of-bounds Write in Snes9X team Snes9X
snes9x 1.63 allows an out-of-bounds write and denial of service via a crafted .ups file.
AI Analysis
Technical Summary
CVE-2026-39199 is an out-of-bounds write vulnerability in Snes9X version 1.63. The issue arises when the software processes a specially crafted .ups file, which can cause memory corruption leading to a denial of service. The vulnerability requires local access (AV:L) and has high attack complexity (AC:H), with no privileges or user interaction needed. The CVSS v3.1 base score is 2.9, reflecting low severity. There is no known exploit in the wild and no vendor-provided patch or remediation level at this time.
Potential Impact
Successful exploitation of this vulnerability can cause the application to crash or become unresponsive, resulting in denial of service. There is no indication of confidentiality or integrity impact. The attack requires local access and is difficult to execute due to high complexity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, avoid opening untrusted or suspicious .ups files with Snes9X version 1.63. No official remediation or workaround has been published.
CVE-2026-39199: CWE-787 Out-of-bounds Write in Snes9X team Snes9X
Description
snes9x 1.63 allows an out-of-bounds write and denial of service via a crafted .ups file.
CVSS v3.1
Score 2.9low
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-39199 is an out-of-bounds write vulnerability in Snes9X version 1.63. The issue arises when the software processes a specially crafted .ups file, which can cause memory corruption leading to a denial of service. The vulnerability requires local access (AV:L) and has high attack complexity (AC:H), with no privileges or user interaction needed. The CVSS v3.1 base score is 2.9, reflecting low severity. There is no known exploit in the wild and no vendor-provided patch or remediation level at this time.
Potential Impact
Successful exploitation of this vulnerability can cause the application to crash or become unresponsive, resulting in denial of service. There is no indication of confidentiality or integrity impact. The attack requires local access and is difficult to execute due to high complexity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, avoid opening untrusted or suspicious .ups files with Snes9X version 1.63. No official remediation or workaround has been published.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-04-06T00:00:00.000Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a32dad8f198dc38c1cef866
Added to database: 6/17/2026, 5:35:20 PM
Last enriched: 6/17/2026, 5:50:36 PM
Last updated: 6/17/2026, 6:51:09 PM
Views: 3
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