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Google EUVD-2026-20665

| CVE-2026-5867 MEDIUM
Heap-based Buffer Overflow (CWE-122)
2026-04-08 Chrome GHSA-3gvp-p32j-pc5m
4.3
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

8
Severity Changed
Apr 14, 2026 - 13:22 NVD
LOW MEDIUM
CVSS changed
Apr 14, 2026 - 13:22 NVD
3.1 (LOW) 4.3 (MEDIUM)
Severity Changed
Apr 13, 2026 - 15:22 NVD
MEDIUM LOW
CVSS changed
Apr 13, 2026 - 15:22 NVD
6.5 (MEDIUM) 3.1 (LOW)
Patch released
Apr 08, 2026 - 23:32 nvd
Patch available
EUVD ID Assigned
Apr 08, 2026 - 22:01 euvd
EUVD-2026-20665
Analysis Generated
Apr 08, 2026 - 22:01 vuln.today
CVE Published
Apr 08, 2026 - 21:20 nvd
MEDIUM 6.5

DescriptionNVD

Heap buffer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)

AnalysisAI

Heap buffer overflow in WebML component of Google Chrome prior to version 147.0.7727.55 allows unauthenticated remote attackers to read sensitive information from process memory via a specially crafted HTML page. The vulnerability requires no user authentication and only user interaction (page visit), with a CVSS score of 6.5 reflecting confidentiality impact and limited availability risk. …

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Vendor StatusVendor

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EUVD-2026-20665 vulnerability details – vuln.today

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