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NASM CVE-2026-6068

| EUVD-2026-21380 CRITICAL
Use After Free (CWE-416)
2026-04-10 certcc
Denial Of Service Use After Free Memory Corruption
9.6
CVSS 3.1
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CVSS VectorNVD

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

Lifecycle Timeline

6
Re-analysis Queued
May 26, 2026 - 20:07 vuln.today
cvss_changed
Severity Changed
May 26, 2026 - 20:07 NVD
MEDIUM CRITICAL
CVSS changed
May 26, 2026 - 20:07 NVD
6.5 (MEDIUM) 9.6 (CRITICAL)
EUVD ID Assigned
Apr 10, 2026 - 13:45 euvd
EUVD-2026-21380
Analysis Generated
Apr 10, 2026 - 13:45 vuln.today
CVE Published
Apr 10, 2026 - 13:30 nvd
MEDIUM 6.5

DescriptionNVD

NASM contains a heap use after free vulnerability in response file (-@) processing where a dangling pointer to freed memory is stored in the global depend_file and later dereferenced, as the response-file buffer is freed before the pointer is used, allowing for data corruption or unexpected behavior.

AnalysisAI

NASM up to version 3.02rc5 contains a heap use-after-free vulnerability in response file (-@) processing that allows remote attackers without authentication to cause data corruption or denial of service. The vulnerability arises from a dangling pointer stored in the global depend_file variable that is dereferenced after the response-file buffer has been freed. …

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CVE-2026-6068 vulnerability details – vuln.today
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