CVE-2026-6068

9.6 CRITICAL
Published: April 10, 2026 Modified: May 26, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/netwide-assembler/nasm/issues/222
Source: cret@cert.org
Exploit Issue Tracking
https://sekai.team/blog/nasm-cve-disclosure/cve-2026-6068
Source: cret@cert.org
Exploit Third Party Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.6 / 10.0
EPSS (Exploit Probability)
0.0%
9th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

nasm