CVE-2026-6068: CVE-2026-6068

Severity: critical (CVSS 9.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-04-10 · updated 2026-06-17
Weakness: CWE-416

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.

Affected products

NASM Netwide Assember: 3.02-rc5

References

https://github.com/netwide-assembler/nasm/issues/222
https://sekai.team/blog/nasm-cve-disclosure/cve-2026-6068

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