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CVE-2026-6068 Details

Description

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 remote code execution.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.6 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CNA: CISA-ADPCVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/netwide-assembler/nasm/issues/222	[email protected]	ExploitIssue Tracking
https://sekai.team/blog/nasm-cve-disclosure/cve-2026-6068	[email protected]	ExploitThird Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-416	Use After Free	[email protected]

Affected Products

Product	Versions
nasm netwide assembler	3.02 rc5
CPE cpe:2.3:a:nasm:netwide_assembler:3.02:rc5:::::: Remediation No remediation found in references.

Change History

8 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
May 26, 2026	Modified Analysis	[email protected]
May 20, 2026	CVE Modified	[email protected]
May 19, 2026	CVE Modified	[email protected]
Apr 16, 2026	Initial Analysis	[email protected]
Apr 10, 2026	CVE Modified	CISA-ADP
Apr 10, 2026	New CVE Received	[email protected]