CVE-2026-6068

9.6 CRITICAL

NASM contains a heap use after free vulnerability in response file (-@) processing where a dangling pointer to freed memory is stored in ...

Published: 2026-04-10 · Last updated: 2026-05-26

Severity and scoring

CVSS: 9.6 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CWE: CWE-416

Affected products

Vendor	Product
nasm	netwide_assembler

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.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-6068
[Exploit reference]https://github.com/netwide-assembler/nasm/issues/222
[Exploit reference]https://sekai.team/blog/nasm-cve-disclosure/cve-2026-6068

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Same CWE

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